Home / 476,739,853.39-714,723,876.24-149,046,689.78

Finding the Fourth Proportional to 476,739,853.39, 714,723,876.24 and 149,046,689.78

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Solution

The fourth proportional to 476,739,853.39, 714,723,876.24 and 149,046,689.78 is: 223,449,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,739,853.39 : 714,723,876.24 = 149,046,689.78 : x
  2. Step 2: Convert to fraction form
    476,739,853.39/714,723,876.24 = 149,046,689.78/x
  3. Step 3: Cross multiply
    476,739,853.39x = 714,723,876.24 × 149,046,689.78
  4. Step 4: Simplify right side
    476,739,853.39x = 106,527,227,860,302,400
  5. Step 5: Solve for x
    x = 106,527,227,860,302,400/476,739,853.39
  6. Step 6: Final answer
    x = 223,449,386.71

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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.