Home / 418,078,380.60-627,077,048.08-126,948,062.32

Finding the Fourth Proportional to 418,078,380.60, 627,077,048.08 and 126,948,062.32

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Solution

The fourth proportional to 418,078,380.60, 627,077,048.08 and 126,948,062.32 is: 190,409,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,078,380.60 : 627,077,048.08 = 126,948,062.32 : x
  2. Step 2: Convert to fraction form
    418,078,380.60/627,077,048.08 = 126,948,062.32/x
  3. Step 3: Cross multiply
    418,078,380.60x = 627,077,048.08 × 126,948,062.32
  4. Step 4: Simplify right side
    418,078,380.60x = 79,606,216,179,101,472
  5. Step 5: Solve for x
    x = 79,606,216,179,101,472/418,078,380.60
  6. Step 6: Final answer
    x = 190,409,788.87

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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.