Home / 1,102,357,270.50-1,520,231,189.68-804,527,761.38

Finding the Fourth Proportional to 1,102,357,270.50, 1,520,231,189.68 and 804,527,761.38

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Solution

The fourth proportional to 1,102,357,270.50, 1,520,231,189.68 and 804,527,761.38 is: 1,109,502,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,357,270.50 : 1,520,231,189.68 = 804,527,761.38 : x
  2. Step 2: Convert to fraction form
    1,102,357,270.50/1,520,231,189.68 = 804,527,761.38/x
  3. Step 3: Cross multiply
    1,102,357,270.50x = 1,520,231,189.68 × 804,527,761.38
  4. Step 4: Simplify right side
    1,102,357,270.50x = 1,223,068,195,812,672,768
  5. Step 5: Solve for x
    x = 1,223,068,195,812,672,768/1,102,357,270.50
  6. Step 6: Final answer
    x = 1,109,502,543.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.