Home / 654,516,951.80-981,593,778.17-181,707,376.95

Finding the Fourth Proportional to 654,516,951.80, 981,593,778.17 and 181,707,376.95

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Solution

The fourth proportional to 654,516,951.80, 981,593,778.17 and 181,707,376.95 is: 272,510,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,516,951.80 : 981,593,778.17 = 181,707,376.95 : x
  2. Step 2: Convert to fraction form
    654,516,951.80/981,593,778.17 = 181,707,376.95/x
  3. Step 3: Cross multiply
    654,516,951.80x = 981,593,778.17 × 181,707,376.95
  4. Step 4: Simplify right side
    654,516,951.80x = 178,362,830,662,165,120
  5. Step 5: Solve for x
    x = 178,362,830,662,165,120/654,516,951.80
  6. Step 6: Final answer
    x = 272,510,635.78

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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.