Home / 724,267,856.70-1,086,401,785.05-264,221,034.30

Finding the Fourth Proportional to 724,267,856.70, 1,086,401,785.05 and 264,221,034.30

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Solution

The fourth proportional to 724,267,856.70, 1,086,401,785.05 and 264,221,034.30 is: 396,331,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,267,856.70 : 1,086,401,785.05 = 264,221,034.30 : x
  2. Step 2: Convert to fraction form
    724,267,856.70/1,086,401,785.05 = 264,221,034.30/x
  3. Step 3: Cross multiply
    724,267,856.70x = 1,086,401,785.05 × 264,221,034.30
  4. Step 4: Simplify right side
    724,267,856.70x = 287,050,203,311,277,280
  5. Step 5: Solve for x
    x = 287,050,203,311,277,280/724,267,856.70
  6. Step 6: Final answer
    x = 396,331,551.45

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Double scale
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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.