Home / 3,140,992,220.40-4,711,488,330.60-2,657,262,812.40

Finding the Fourth Proportional to 3,140,992,220.40, 4,711,488,330.60 and 2,657,262,812.40

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Solution

The fourth proportional to 3,140,992,220.40, 4,711,488,330.60 and 2,657,262,812.40 is: 3,985,894,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,992,220.40 : 4,711,488,330.60 = 2,657,262,812.40 : x
  2. Step 2: Convert to fraction form
    3,140,992,220.40/4,711,488,330.60 = 2,657,262,812.40/x
  3. Step 3: Cross multiply
    3,140,992,220.40x = 4,711,488,330.60 × 2,657,262,812.40
  4. Step 4: Simplify right side
    3,140,992,220.40x = 12,519,662,731,959,939,072
  5. Step 5: Solve for x
    x = 12,519,662,731,959,939,072/3,140,992,220.40
  6. Step 6: Final answer
    x = 3,985,894,218.60

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Half scale
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Double scale
Find fourth proportional to 3,140,992,221.40, 4,711,488,332.10 and 2,657,262,813.40
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.