Home / 1,323,707,998.40-1,985,561,997.60-451,294,452.80

Finding the Fourth Proportional to 1,323,707,998.40, 1,985,561,997.60 and 451,294,452.80

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Solution

The fourth proportional to 1,323,707,998.40, 1,985,561,997.60 and 451,294,452.80 is: 676,941,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,707,998.40 : 1,985,561,997.60 = 451,294,452.80 : x
  2. Step 2: Convert to fraction form
    1,323,707,998.40/1,985,561,997.60 = 451,294,452.80/x
  3. Step 3: Cross multiply
    1,323,707,998.40x = 1,985,561,997.60 × 451,294,452.80
  4. Step 4: Simplify right side
    1,323,707,998.40x = 896,073,115,207,366,912
  5. Step 5: Solve for x
    x = 896,073,115,207,366,912/1,323,707,998.40
  6. Step 6: Final answer
    x = 676,941,679.20

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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.