Home / 472,392,686.20-708,589,029.30-416,910,245.80

Finding the Fourth Proportional to 472,392,686.20, 708,589,029.30 and 416,910,245.80

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Solution

The fourth proportional to 472,392,686.20, 708,589,029.30 and 416,910,245.80 is: 625,365,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,686.20 : 708,589,029.30 = 416,910,245.80 : x
  2. Step 2: Convert to fraction form
    472,392,686.20/708,589,029.30 = 416,910,245.80/x
  3. Step 3: Cross multiply
    472,392,686.20x = 708,589,029.30 × 416,910,245.80
  4. Step 4: Simplify right side
    472,392,686.20x = 295,418,026,376,646,400
  5. Step 5: Solve for x
    x = 295,418,026,376,646,400/472,392,686.20
  6. Step 6: Final answer
    x = 625,365,368.70

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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.