Home / 766,024,425.60-1,149,036,638.40-532,221,878.40

Finding the Fourth Proportional to 766,024,425.60, 1,149,036,638.40 and 532,221,878.40

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Solution

The fourth proportional to 766,024,425.60, 1,149,036,638.40 and 532,221,878.40 is: 798,332,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,024,425.60 : 1,149,036,638.40 = 532,221,878.40 : x
  2. Step 2: Convert to fraction form
    766,024,425.60/1,149,036,638.40 = 532,221,878.40/x
  3. Step 3: Cross multiply
    766,024,425.60x = 1,149,036,638.40 × 532,221,878.40
  4. Step 4: Simplify right side
    766,024,425.60x = 611,542,438,039,669,632
  5. Step 5: Solve for x
    x = 611,542,438,039,669,632/766,024,425.60
  6. Step 6: Final answer
    x = 798,332,817.60

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Double scale
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Similar ratio
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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.