Home / 482,959,575.40-724,285,785-155,358,832.72

Finding the Fourth Proportional to 482,959,575.40, 724,285,785 and 155,358,832.72

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Solution

The fourth proportional to 482,959,575.40, 724,285,785 and 155,358,832.72 is: 232,988,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,959,575.40 : 724,285,785 = 155,358,832.72 : x
  2. Step 2: Convert to fraction form
    482,959,575.40/724,285,785 = 155,358,832.72/x
  3. Step 3: Cross multiply
    482,959,575.40x = 724,285,785 × 155,358,832.72
  4. Step 4: Simplify right side
    482,959,575.40x = 112,524,194,113,288,880
  5. Step 5: Solve for x
    x = 112,524,194,113,288,880/482,959,575.40
  6. Step 6: Final answer
    x = 232,988,845.95

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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.