Home / 811,521,761.91-1,119,805,552.85-454,309,099.01

Finding the Fourth Proportional to 811,521,761.91, 1,119,805,552.85 and 454,309,099.01

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Solution

The fourth proportional to 811,521,761.91, 1,119,805,552.85 and 454,309,099.01 is: 626,893,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,521,761.91 : 1,119,805,552.85 = 454,309,099.01 : x
  2. Step 2: Convert to fraction form
    811,521,761.91/1,119,805,552.85 = 454,309,099.01/x
  3. Step 3: Cross multiply
    811,521,761.91x = 1,119,805,552.85 × 454,309,099.01
  4. Step 4: Simplify right side
    811,521,761.91x = 508,737,851,773,807,872
  5. Step 5: Solve for x
    x = 508,737,851,773,807,872/811,521,761.91
  6. Step 6: Final answer
    x = 626,893,665.27

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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.