Home / 314,929,772.10-472,394,658.15-291,971,520.90

Finding the Fourth Proportional to 314,929,772.10, 472,394,658.15 and 291,971,520.90

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Solution

The fourth proportional to 314,929,772.10, 472,394,658.15 and 291,971,520.90 is: 437,957,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,772.10 : 472,394,658.15 = 291,971,520.90 : x
  2. Step 2: Convert to fraction form
    314,929,772.10/472,394,658.15 = 291,971,520.90/x
  3. Step 3: Cross multiply
    314,929,772.10x = 472,394,658.15 × 291,971,520.90
  4. Step 4: Simplify right side
    314,929,772.10x = 137,925,786,805,091,056
  5. Step 5: Solve for x
    x = 137,925,786,805,091,056/314,929,772.10
  6. Step 6: Final answer
    x = 437,957,281.35

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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.