Home / 724,077,273.70-1,086,115,910.55-433,839,628.90

Finding the Fourth Proportional to 724,077,273.70, 1,086,115,910.55 and 433,839,628.90

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Solution

The fourth proportional to 724,077,273.70, 1,086,115,910.55 and 433,839,628.90 is: 650,759,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,077,273.70 : 1,086,115,910.55 = 433,839,628.90 : x
  2. Step 2: Convert to fraction form
    724,077,273.70/1,086,115,910.55 = 433,839,628.90/x
  3. Step 3: Cross multiply
    724,077,273.70x = 1,086,115,910.55 × 433,839,628.90
  4. Step 4: Simplify right side
    724,077,273.70x = 471,200,123,575,397,568
  5. Step 5: Solve for x
    x = 471,200,123,575,397,568/724,077,273.70
  6. Step 6: Final answer
    x = 650,759,443.35

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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.