Home / 382,245,275.68-527,543,263.20-217,257,645.76

Finding the Fourth Proportional to 382,245,275.68, 527,543,263.20 and 217,257,645.76

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Solution

The fourth proportional to 382,245,275.68, 527,543,263.20 and 217,257,645.76 is: 299,841,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,245,275.68 : 527,543,263.20 = 217,257,645.76 : x
  2. Step 2: Convert to fraction form
    382,245,275.68/527,543,263.20 = 217,257,645.76/x
  3. Step 3: Cross multiply
    382,245,275.68x = 527,543,263.20 × 217,257,645.76
  4. Step 4: Simplify right side
    382,245,275.68x = 114,612,807,399,380,032
  5. Step 5: Solve for x
    x = 114,612,807,399,380,032/382,245,275.68
  6. Step 6: Final answer
    x = 299,841,004.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.