Home / 887,124,966.20-1,330,687,449.30-657,542,454.20

Finding the Fourth Proportional to 887,124,966.20, 1,330,687,449.30 and 657,542,454.20

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Solution

The fourth proportional to 887,124,966.20, 1,330,687,449.30 and 657,542,454.20 is: 986,313,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,124,966.20 : 1,330,687,449.30 = 657,542,454.20 : x
  2. Step 2: Convert to fraction form
    887,124,966.20/1,330,687,449.30 = 657,542,454.20/x
  3. Step 3: Cross multiply
    887,124,966.20x = 1,330,687,449.30 × 657,542,454.20
  4. Step 4: Simplify right side
    887,124,966.20x = 874,983,491,185,860,096
  5. Step 5: Solve for x
    x = 874,983,491,185,860,096/887,124,966.20
  6. Step 6: Final answer
    x = 986,313,681.30

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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.