Home / 580,608,045.30-870,912,067.95-257,491,917.30

Finding the Fourth Proportional to 580,608,045.30, 870,912,067.95 and 257,491,917.30

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Solution

The fourth proportional to 580,608,045.30, 870,912,067.95 and 257,491,917.30 is: 386,237,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,045.30 : 870,912,067.95 = 257,491,917.30 : x
  2. Step 2: Convert to fraction form
    580,608,045.30/870,912,067.95 = 257,491,917.30/x
  3. Step 3: Cross multiply
    580,608,045.30x = 870,912,067.95 × 257,491,917.30
  4. Step 4: Simplify right side
    580,608,045.30x = 224,252,818,176,153,408
  5. Step 5: Solve for x
    x = 224,252,818,176,153,408/580,608,045.30
  6. Step 6: Final answer
    x = 386,237,875.95

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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.