Home / 766,600,359.60-1,149,900,539.40-491,101,345.20

Finding the Fourth Proportional to 766,600,359.60, 1,149,900,539.40 and 491,101,345.20

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Solution

The fourth proportional to 766,600,359.60, 1,149,900,539.40 and 491,101,345.20 is: 736,652,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,600,359.60 : 1,149,900,539.40 = 491,101,345.20 : x
  2. Step 2: Convert to fraction form
    766,600,359.60/1,149,900,539.40 = 491,101,345.20/x
  3. Step 3: Cross multiply
    766,600,359.60x = 1,149,900,539.40 × 491,101,345.20
  4. Step 4: Simplify right side
    766,600,359.60x = 564,717,701,745,545,664
  5. Step 5: Solve for x
    x = 564,717,701,745,545,664/766,600,359.60
  6. Step 6: Final answer
    x = 736,652,017.80

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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.