Home / 728,604,044.10-1,092,528,152.55-268,305,279.30

Finding the Fourth Proportional to 728,604,044.10, 1,092,528,152.55 and 268,305,279.30

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Solution

The fourth proportional to 728,604,044.10, 1,092,528,152.55 and 268,305,279.30 is: 402,318,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,604,044.10 : 1,092,528,152.55 = 268,305,279.30 : x
  2. Step 2: Convert to fraction form
    728,604,044.10/1,092,528,152.55 = 268,305,279.30/x
  3. Step 3: Cross multiply
    728,604,044.10x = 1,092,528,152.55 × 268,305,279.30
  4. Step 4: Simplify right side
    728,604,044.10x = 293,131,071,113,040,768
  5. Step 5: Solve for x
    x = 293,131,071,113,040,768/728,604,044.10
  6. Step 6: Final answer
    x = 402,318,753.91

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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.