Home / 945,471,013.26-1,418,258,243.55-392,829,318.42

Finding the Fourth Proportional to 945,471,013.26, 1,418,258,243.55 and 392,829,318.42

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Solution

The fourth proportional to 945,471,013.26, 1,418,258,243.55 and 392,829,318.42 is: 589,265,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,471,013.26 : 1,418,258,243.55 = 392,829,318.42 : x
  2. Step 2: Convert to fraction form
    945,471,013.26/1,418,258,243.55 = 392,829,318.42/x
  3. Step 3: Cross multiply
    945,471,013.26x = 1,418,258,243.55 × 392,829,318.42
  4. Step 4: Simplify right side
    945,471,013.26x = 557,133,419,157,292,864
  5. Step 5: Solve for x
    x = 557,133,419,157,292,864/945,471,013.26
  6. Step 6: Final answer
    x = 589,265,468.05

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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.