Home / 442,580,705.90-663,861,942.39-147,497,254.89

Finding the Fourth Proportional to 442,580,705.90, 663,861,942.39 and 147,497,254.89

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Solution

The fourth proportional to 442,580,705.90, 663,861,942.39 and 147,497,254.89 is: 221,242,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,580,705.90 : 663,861,942.39 = 147,497,254.89 : x
  2. Step 2: Convert to fraction form
    442,580,705.90/663,861,942.39 = 147,497,254.89/x
  3. Step 3: Cross multiply
    442,580,705.90x = 663,861,942.39 × 147,497,254.89
  4. Step 4: Simplify right side
    442,580,705.90x = 97,917,814,128,468,320
  5. Step 5: Solve for x
    x = 97,917,814,128,468,320/442,580,705.90
  6. Step 6: Final answer
    x = 221,242,844.13

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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.