Home / 661,472,904.38-992,209,356.23-246,982,095.25

Finding the Fourth Proportional to 661,472,904.38, 992,209,356.23 and 246,982,095.25

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Solution

The fourth proportional to 661,472,904.38, 992,209,356.23 and 246,982,095.25 is: 370,473,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,472,904.38 : 992,209,356.23 = 246,982,095.25 : x
  2. Step 2: Convert to fraction form
    661,472,904.38/992,209,356.23 = 246,982,095.25/x
  3. Step 3: Cross multiply
    661,472,904.38x = 992,209,356.23 × 246,982,095.25
  4. Step 4: Simplify right side
    661,472,904.38x = 245,057,945,728,339,040
  5. Step 5: Solve for x
    x = 245,057,945,728,339,040/661,472,904.38
  6. Step 6: Final answer
    x = 370,473,142.75

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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.