Home / 725,145,216.20-1,087,717,824.30-240,408,038.60

Finding the Fourth Proportional to 725,145,216.20, 1,087,717,824.30 and 240,408,038.60

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Solution

The fourth proportional to 725,145,216.20, 1,087,717,824.30 and 240,408,038.60 is: 360,612,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,145,216.20 : 1,087,717,824.30 = 240,408,038.60 : x
  2. Step 2: Convert to fraction form
    725,145,216.20/1,087,717,824.30 = 240,408,038.60/x
  3. Step 3: Cross multiply
    725,145,216.20x = 1,087,717,824.30 × 240,408,038.60
  4. Step 4: Simplify right side
    725,145,216.20x = 261,496,108,690,222,400
  5. Step 5: Solve for x
    x = 261,496,108,690,222,400/725,145,216.20
  6. Step 6: Final answer
    x = 360,612,057.90

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1.5x scale

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.