Home / 418,028,662.46-576,344,037.65-342,396,365.39

Finding the Fourth Proportional to 418,028,662.46, 576,344,037.65 and 342,396,365.39

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Solution

The fourth proportional to 418,028,662.46, 576,344,037.65 and 342,396,365.39 is: 472,068,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,028,662.46 : 576,344,037.65 = 342,396,365.39 : x
  2. Step 2: Convert to fraction form
    418,028,662.46/576,344,037.65 = 342,396,365.39/x
  3. Step 3: Cross multiply
    418,028,662.46x = 576,344,037.65 × 342,396,365.39
  4. Step 4: Simplify right side
    418,028,662.46x = 197,338,103,703,531,584
  5. Step 5: Solve for x
    x = 197,338,103,703,531,584/418,028,662.46
  6. Step 6: Final answer
    x = 472,068,356.61

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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.