Home / 438,781,484.60-658,172,226.90-147,551,816.60

Finding the Fourth Proportional to 438,781,484.60, 658,172,226.90 and 147,551,816.60

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Solution

The fourth proportional to 438,781,484.60, 658,172,226.90 and 147,551,816.60 is: 221,327,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,781,484.60 : 658,172,226.90 = 147,551,816.60 : x
  2. Step 2: Convert to fraction form
    438,781,484.60/658,172,226.90 = 147,551,816.60/x
  3. Step 3: Cross multiply
    438,781,484.60x = 658,172,226.90 × 147,551,816.60
  4. Step 4: Simplify right side
    438,781,484.60x = 97,114,507,714,762,384
  5. Step 5: Solve for x
    x = 97,114,507,714,762,384/438,781,484.60
  6. Step 6: Final answer
    x = 221,327,724.90

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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.