Home / 1,327,428,793.80-1,991,143,190.70-914,180,272.20

Finding the Fourth Proportional to 1,327,428,793.80, 1,991,143,190.70 and 914,180,272.20

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Solution

The fourth proportional to 1,327,428,793.80, 1,991,143,190.70 and 914,180,272.20 is: 1,371,270,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,428,793.80 : 1,991,143,190.70 = 914,180,272.20 : x
  2. Step 2: Convert to fraction form
    1,327,428,793.80/1,991,143,190.70 = 914,180,272.20/x
  3. Step 3: Cross multiply
    1,327,428,793.80x = 1,991,143,190.70 × 914,180,272.20
  4. Step 4: Simplify right side
    1,327,428,793.80x = 1,820,263,824,063,302,656
  5. Step 5: Solve for x
    x = 1,820,263,824,063,302,656/1,327,428,793.80
  6. Step 6: Final answer
    x = 1,371,270,408.30

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Double scale
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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.