Home / 486,057,732.68-729,088,490.54-117,592,093.71

Finding the Fourth Proportional to 486,057,732.68, 729,088,490.54 and 117,592,093.71

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Solution

The fourth proportional to 486,057,732.68, 729,088,490.54 and 117,592,093.71 is: 176,388,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,057,732.68 : 729,088,490.54 = 117,592,093.71 : x
  2. Step 2: Convert to fraction form
    486,057,732.68/729,088,490.54 = 117,592,093.71/x
  3. Step 3: Cross multiply
    486,057,732.68x = 729,088,490.54 × 117,592,093.71
  4. Step 4: Simplify right side
    486,057,732.68x = 85,735,042,102,756,112
  5. Step 5: Solve for x
    x = 85,735,042,102,756,112/486,057,732.68
  6. Step 6: Final answer
    x = 176,388,598.18

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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.