Home / 662,406,213.38-914,124,170.10-380,126,177.70

Finding the Fourth Proportional to 662,406,213.38, 914,124,170.10 and 380,126,177.70

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Solution

The fourth proportional to 662,406,213.38, 914,124,170.10 and 380,126,177.70 is: 524,576,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,406,213.38 : 914,124,170.10 = 380,126,177.70 : x
  2. Step 2: Convert to fraction form
    662,406,213.38/914,124,170.10 = 380,126,177.70/x
  3. Step 3: Cross multiply
    662,406,213.38x = 914,124,170.10 × 380,126,177.70
  4. Step 4: Simplify right side
    662,406,213.38x = 347,482,526,723,297,600
  5. Step 5: Solve for x
    x = 347,482,526,723,297,600/662,406,213.38
  6. Step 6: Final answer
    x = 524,576,188.61

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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.