Home / 439,227,731.60-658,652,640.60-220,793,670.80

Finding the Fourth Proportional to 439,227,731.60, 658,652,640.60 and 220,793,670.80

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Solution

The fourth proportional to 439,227,731.60, 658,652,640.60 and 220,793,670.80 is: 331,095,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,227,731.60 : 658,652,640.60 = 220,793,670.80 : x
  2. Step 2: Convert to fraction form
    439,227,731.60/658,652,640.60 = 220,793,670.80/x
  3. Step 3: Cross multiply
    439,227,731.60x = 658,652,640.60 × 220,793,670.80
  4. Step 4: Simplify right side
    439,227,731.60x = 145,426,334,300,187,136
  5. Step 5: Solve for x
    x = 145,426,334,300,187,136/439,227,731.60
  6. Step 6: Final answer
    x = 331,095,520.25

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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.