Home / 314,928,045.15-472,392,067.73-291,969,793.95

Finding the Fourth Proportional to 314,928,045.15, 472,392,067.73 and 291,969,793.95

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Solution

The fourth proportional to 314,928,045.15, 472,392,067.73 and 291,969,793.95 is: 437,954,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,045.15 : 472,392,067.73 = 291,969,793.95 : x
  2. Step 2: Convert to fraction form
    314,928,045.15/472,392,067.73 = 291,969,793.95/x
  3. Step 3: Cross multiply
    314,928,045.15x = 472,392,067.73 × 291,969,793.95
  4. Step 4: Simplify right side
    314,928,045.15x = 137,924,214,677,282,704
  5. Step 5: Solve for x
    x = 137,924,214,677,282,704/314,928,045.15
  6. Step 6: Final answer
    x = 437,954,690.93

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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.