Home / 1,056,765,721.20-1,584,581,711.40-442,656,121.20

Finding the Fourth Proportional to 1,056,765,721.20, 1,584,581,711.40 and 442,656,121.20

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Solution

The fourth proportional to 1,056,765,721.20, 1,584,581,711.40 and 442,656,121.20 is: 663,746,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,765,721.20 : 1,584,581,711.40 = 442,656,121.20 : x
  2. Step 2: Convert to fraction form
    1,056,765,721.20/1,584,581,711.40 = 442,656,121.20/x
  3. Step 3: Cross multiply
    1,056,765,721.20x = 1,584,581,711.40 × 442,656,121.20
  4. Step 4: Simplify right side
    1,056,765,721.20x = 701,424,794,092,781,824
  5. Step 5: Solve for x
    x = 701,424,794,092,781,824/1,056,765,721.20
  6. Step 6: Final answer
    x = 663,746,732.15

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Double scale
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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.