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Finding the Fourth Proportional to 485,900,645.00, 728,926,550.42 and 158,299,893.27

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Solution

The fourth proportional to 485,900,645.00, 728,926,550.42 and 158,299,893.27 is: 237,474,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,900,645.00 : 728,926,550.42 = 158,299,893.27 : x
  2. Step 2: Convert to fraction form
    485,900,645.00/728,926,550.42 = 158,299,893.27/x
  3. Step 3: Cross multiply
    485,900,645.00x = 728,926,550.42 × 158,299,893.27
  4. Step 4: Simplify right side
    485,900,645.00x = 115,388,995,132,363,776
  5. Step 5: Solve for x
    x = 115,388,995,132,363,776/485,900,645.00
  6. Step 6: Final answer
    x = 237,474,463.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.