Home / 758,291,253.40-1,137,436,880.10-620,541,746.20

Finding the Fourth Proportional to 758,291,253.40, 1,137,436,880.10 and 620,541,746.20

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Solution

The fourth proportional to 758,291,253.40, 1,137,436,880.10 and 620,541,746.20 is: 930,812,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,291,253.40 : 1,137,436,880.10 = 620,541,746.20 : x
  2. Step 2: Convert to fraction form
    758,291,253.40/1,137,436,880.10 = 620,541,746.20/x
  3. Step 3: Cross multiply
    758,291,253.40x = 1,137,436,880.10 × 620,541,746.20
  4. Step 4: Simplify right side
    758,291,253.40x = 705,827,067,769,534,080
  5. Step 5: Solve for x
    x = 705,827,067,769,534,080/758,291,253.40
  6. Step 6: Final answer
    x = 930,812,619.30

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Double scale
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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.