Home / 517,195,398.20-775,791,056.10-153,689,754.20

Finding the Fourth Proportional to 517,195,398.20, 775,791,056.10 and 153,689,754.20

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Solution

The fourth proportional to 517,195,398.20, 775,791,056.10 and 153,689,754.20 is: 230,534,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,195,398.20 : 775,791,056.10 = 153,689,754.20 : x
  2. Step 2: Convert to fraction form
    517,195,398.20/775,791,056.10 = 153,689,754.20/x
  3. Step 3: Cross multiply
    517,195,398.20x = 775,791,056.10 × 153,689,754.20
  4. Step 4: Simplify right side
    517,195,398.20x = 119,231,136,722,567,408
  5. Step 5: Solve for x
    x = 119,231,136,722,567,408/517,195,398.20
  6. Step 6: Final answer
    x = 230,534,024.74

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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.