Home / 798,791,377.60-1,198,187,066.40-653,672,555.20

Finding the Fourth Proportional to 798,791,377.60, 1,198,187,066.40 and 653,672,555.20

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Solution

The fourth proportional to 798,791,377.60, 1,198,187,066.40 and 653,672,555.20 is: 980,508,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,791,377.60 : 1,198,187,066.40 = 653,672,555.20 : x
  2. Step 2: Convert to fraction form
    798,791,377.60/1,198,187,066.40 = 653,672,555.20/x
  3. Step 3: Cross multiply
    798,791,377.60x = 1,198,187,066.40 × 653,672,555.20
  4. Step 4: Simplify right side
    798,791,377.60x = 783,222,001,301,280,128
  5. Step 5: Solve for x
    x = 783,222,001,301,280,128/798,791,377.60
  6. Step 6: Final answer
    x = 980,508,832.80

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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.