Home / 438,328,115.76-604,952,979.38-268,752,356.07

Finding the Fourth Proportional to 438,328,115.76, 604,952,979.38 and 268,752,356.07

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Solution

The fourth proportional to 438,328,115.76, 604,952,979.38 and 268,752,356.07 is: 370,915,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,328,115.76 : 604,952,979.38 = 268,752,356.07 : x
  2. Step 2: Convert to fraction form
    438,328,115.76/604,952,979.38 = 268,752,356.07/x
  3. Step 3: Cross multiply
    438,328,115.76x = 604,952,979.38 × 268,752,356.07
  4. Step 4: Simplify right side
    438,328,115.76x = 162,582,538,522,241,472
  5. Step 5: Solve for x
    x = 162,582,538,522,241,472/438,328,115.76
  6. Step 6: Final answer
    x = 370,915,149.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.