Home / 920,592,760.56-1,381,433,947.92-338,735,613.72

Finding the Fourth Proportional to 920,592,760.56, 1,381,433,947.92 and 338,735,613.72

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Solution

The fourth proportional to 920,592,760.56, 1,381,433,947.92 and 338,735,613.72 is: 508,303,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,592,760.56 : 1,381,433,947.92 = 338,735,613.72 : x
  2. Step 2: Convert to fraction form
    920,592,760.56/1,381,433,947.92 = 338,735,613.72/x
  3. Step 3: Cross multiply
    920,592,760.56x = 1,381,433,947.92 × 338,735,613.72
  4. Step 4: Simplify right side
    920,592,760.56x = 467,940,876,162,323,776
  5. Step 5: Solve for x
    x = 467,940,876,162,323,776/920,592,760.56
  6. Step 6: Final answer
    x = 508,303,884.42

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Double scale
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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.