Home / 612,286,443.73-844,930,951.59-361,471,627.45

Finding the Fourth Proportional to 612,286,443.73, 844,930,951.59 and 361,471,627.45

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Solution

The fourth proportional to 612,286,443.73, 844,930,951.59 and 361,471,627.45 is: 498,816,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,286,443.73 : 844,930,951.59 = 361,471,627.45 : x
  2. Step 2: Convert to fraction form
    612,286,443.73/844,930,951.59 = 361,471,627.45/x
  3. Step 3: Cross multiply
    612,286,443.73x = 844,930,951.59 × 361,471,627.45
  4. Step 4: Simplify right side
    612,286,443.73x = 305,418,566,154,114,496
  5. Step 5: Solve for x
    x = 305,418,566,154,114,496/612,286,443.73
  6. Step 6: Final answer
    x = 498,816,475.98

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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.