Home / 629,132,932.80-868,575,872.34-559,325,500.20

Finding the Fourth Proportional to 629,132,932.80, 868,575,872.34 and 559,325,500.20

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Solution

The fourth proportional to 629,132,932.80, 868,575,872.34 and 559,325,500.20 is: 772,200,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,132,932.80 : 868,575,872.34 = 559,325,500.20 : x
  2. Step 2: Convert to fraction form
    629,132,932.80/868,575,872.34 = 559,325,500.20/x
  3. Step 3: Cross multiply
    629,132,932.80x = 868,575,872.34 × 559,325,500.20
  4. Step 4: Simplify right side
    629,132,932.80x = 485,816,634,258,221,888
  5. Step 5: Solve for x
    x = 485,816,634,258,221,888/629,132,932.80
  6. Step 6: Final answer
    x = 772,200,291.75

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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.