Home / 437,124,572.52-655,500,211.55-253,019,127.20

Finding the Fourth Proportional to 437,124,572.52, 655,500,211.55 and 253,019,127.20

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Solution

The fourth proportional to 437,124,572.52, 655,500,211.55 and 253,019,127.20 is: 379,420,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,124,572.52 : 655,500,211.55 = 253,019,127.20 : x
  2. Step 2: Convert to fraction form
    437,124,572.52/655,500,211.55 = 253,019,127.20/x
  3. Step 3: Cross multiply
    437,124,572.52x = 655,500,211.55 × 253,019,127.20
  4. Step 4: Simplify right side
    437,124,572.52x = 165,854,091,401,253,760
  5. Step 5: Solve for x
    x = 165,854,091,401,253,760/437,124,572.52
  6. Step 6: Final answer
    x = 379,420,654.49

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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.