Home / 729,605,127.72-1,006,926,957.18-416,386,486.92

Finding the Fourth Proportional to 729,605,127.72, 1,006,926,957.18 and 416,386,486.92

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Solution

The fourth proportional to 729,605,127.72, 1,006,926,957.18 and 416,386,486.92 is: 574,654,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,605,127.72 : 1,006,926,957.18 = 416,386,486.92 : x
  2. Step 2: Convert to fraction form
    729,605,127.72/1,006,926,957.18 = 416,386,486.92/x
  3. Step 3: Cross multiply
    729,605,127.72x = 1,006,926,957.18 × 416,386,486.92
  4. Step 4: Simplify right side
    729,605,127.72x = 419,270,778,285,225,472
  5. Step 5: Solve for x
    x = 419,270,778,285,225,472/729,605,127.72
  6. Step 6: Final answer
    x = 574,654,374.48

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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.