Home / 811,521,760.16-1,119,805,550.42-454,309,097.28

Finding the Fourth Proportional to 811,521,760.16, 1,119,805,550.42 and 454,309,097.28

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Solution

The fourth proportional to 811,521,760.16, 1,119,805,550.42 and 454,309,097.28 is: 626,893,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,521,760.16 : 1,119,805,550.42 = 454,309,097.28 : x
  2. Step 2: Convert to fraction form
    811,521,760.16/1,119,805,550.42 = 454,309,097.28/x
  3. Step 3: Cross multiply
    811,521,760.16x = 1,119,805,550.42 × 454,309,097.28
  4. Step 4: Simplify right side
    811,521,760.16x = 508,737,848,740,443,712
  5. Step 5: Solve for x
    x = 508,737,848,740,443,712/811,521,760.16
  6. Step 6: Final answer
    x = 626,893,662.89

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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.