Home / 502,659,008.20-753,988,512.30-347,690,812.60

Finding the Fourth Proportional to 502,659,008.20, 753,988,512.30 and 347,690,812.60

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Solution

The fourth proportional to 502,659,008.20, 753,988,512.30 and 347,690,812.60 is: 521,536,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,659,008.20 : 753,988,512.30 = 347,690,812.60 : x
  2. Step 2: Convert to fraction form
    502,659,008.20/753,988,512.30 = 347,690,812.60/x
  3. Step 3: Cross multiply
    502,659,008.20x = 753,988,512.30 × 347,690,812.60
  4. Step 4: Simplify right side
    502,659,008.20x = 262,154,878,532,652,096
  5. Step 5: Solve for x
    x = 262,154,878,532,652,096/502,659,008.20
  6. Step 6: Final answer
    x = 521,536,218.90

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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.