Home / 725,128,751.28-1,086,918,617.88-413,565,582

Finding the Fourth Proportional to 725,128,751.28, 1,086,918,617.88 and 413,565,582

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Solution

The fourth proportional to 725,128,751.28, 1,086,918,617.88 and 413,565,582 is: 619,906,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,128,751.28 : 1,086,918,617.88 = 413,565,582 : x
  2. Step 2: Convert to fraction form
    725,128,751.28/1,086,918,617.88 = 413,565,582/x
  3. Step 3: Cross multiply
    725,128,751.28x = 1,086,918,617.88 × 413,565,582
  4. Step 4: Simplify right side
    725,128,751.28x = 449,512,130,790,177,856
  5. Step 5: Solve for x
    x = 449,512,130,790,177,856/725,128,751.28
  6. Step 6: Final answer
    x = 619,906,644.16

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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.