Home / 625,426,719.60-938,147,301.90-188,731,186.32

Finding the Fourth Proportional to 625,426,719.60, 938,147,301.90 and 188,731,186.32

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Solution

The fourth proportional to 625,426,719.60, 938,147,301.90 and 188,731,186.32 is: 283,098,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,426,719.60 : 938,147,301.90 = 188,731,186.32 : x
  2. Step 2: Convert to fraction form
    625,426,719.60/938,147,301.90 = 188,731,186.32/x
  3. Step 3: Cross multiply
    625,426,719.60x = 938,147,301.90 × 188,731,186.32
  4. Step 4: Simplify right side
    625,426,719.60x = 177,057,653,230,494,176
  5. Step 5: Solve for x
    x = 177,057,653,230,494,176/625,426,719.60
  6. Step 6: Final answer
    x = 283,098,958.97

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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.