Home / 811,521,761.16-1,119,805,551.80-454,309,098.28

Finding the Fourth Proportional to 811,521,761.16, 1,119,805,551.80 and 454,309,098.28

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Solution

The fourth proportional to 811,521,761.16, 1,119,805,551.80 and 454,309,098.28 is: 626,893,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,521,761.16 : 1,119,805,551.80 = 454,309,098.28 : x
  2. Step 2: Convert to fraction form
    811,521,761.16/1,119,805,551.80 = 454,309,098.28/x
  3. Step 3: Cross multiply
    811,521,761.16x = 1,119,805,551.80 × 454,309,098.28
  4. Step 4: Simplify right side
    811,521,761.16x = 508,737,850,487,195,776
  5. Step 5: Solve for x
    x = 508,737,850,487,195,776/811,521,761.16
  6. Step 6: Final answer
    x = 626,893,664.27

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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.