Home / 498,897,382.96-688,482,843.36-275,894,154.28

Finding the Fourth Proportional to 498,897,382.96, 688,482,843.36 and 275,894,154.28

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Solution

The fourth proportional to 498,897,382.96, 688,482,843.36 and 275,894,154.28 is: 380,736,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,897,382.96 : 688,482,843.36 = 275,894,154.28 : x
  2. Step 2: Convert to fraction form
    498,897,382.96/688,482,843.36 = 275,894,154.28/x
  3. Step 3: Cross multiply
    498,897,382.96x = 688,482,843.36 × 275,894,154.28
  4. Step 4: Simplify right side
    498,897,382.96x = 189,948,391,805,096,896
  5. Step 5: Solve for x
    x = 189,948,391,805,096,896/498,897,382.96
  6. Step 6: Final answer
    x = 380,736,396.49

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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.