Home / 3,520,392,011.60-5,280,588,017.40-2,952,175,294.40

Finding the Fourth Proportional to 3,520,392,011.60, 5,280,588,017.40 and 2,952,175,294.40

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Solution

The fourth proportional to 3,520,392,011.60, 5,280,588,017.40 and 2,952,175,294.40 is: 4,428,262,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,392,011.60 : 5,280,588,017.40 = 2,952,175,294.40 : x
  2. Step 2: Convert to fraction form
    3,520,392,011.60/5,280,588,017.40 = 2,952,175,294.40/x
  3. Step 3: Cross multiply
    3,520,392,011.60x = 5,280,588,017.40 × 2,952,175,294.40
  4. Step 4: Simplify right side
    3,520,392,011.60x = 15,589,221,484,872,955,904
  5. Step 5: Solve for x
    x = 15,589,221,484,872,955,904/3,520,392,011.60
  6. Step 6: Final answer
    x = 4,428,262,941.60

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Half scale
Find fourth proportional to 7,040,784,023.20, 10,561,176,034.80 and 5,904,350,588.80
Double scale
Find fourth proportional to 3,520,392,012.60, 5,280,588,018.90 and 2,952,175,295.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.