Home / 664,319,908.20-996,479,862.30-634,086,820.20

Finding the Fourth Proportional to 664,319,908.20, 996,479,862.30 and 634,086,820.20

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Solution

The fourth proportional to 664,319,908.20, 996,479,862.30 and 634,086,820.20 is: 951,130,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,319,908.20 : 996,479,862.30 = 634,086,820.20 : x
  2. Step 2: Convert to fraction form
    664,319,908.20/996,479,862.30 = 634,086,820.20/x
  3. Step 3: Cross multiply
    664,319,908.20x = 996,479,862.30 × 634,086,820.20
  4. Step 4: Simplify right side
    664,319,908.20x = 631,854,747,279,140,864
  5. Step 5: Solve for x
    x = 631,854,747,279,140,864/664,319,908.20
  6. Step 6: Final answer
    x = 951,130,230.30

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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.