Home / 661,472,900.53-992,209,350.42-246,982,091.38

Finding the Fourth Proportional to 661,472,900.53, 992,209,350.42 and 246,982,091.38

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Solution

The fourth proportional to 661,472,900.53, 992,209,350.42 and 246,982,091.38 is: 370,473,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,472,900.53 : 992,209,350.42 = 246,982,091.38 : x
  2. Step 2: Convert to fraction form
    661,472,900.53/992,209,350.42 = 246,982,091.38/x
  3. Step 3: Cross multiply
    661,472,900.53x = 992,209,350.42 × 246,982,091.38
  4. Step 4: Simplify right side
    661,472,900.53x = 245,057,940,451,042,336
  5. Step 5: Solve for x
    x = 245,057,940,451,042,336/661,472,900.53
  6. Step 6: Final answer
    x = 370,473,136.93

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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.