Home / 472,393,076.20-708,589,614.30-429,310,925.80

Finding the Fourth Proportional to 472,393,076.20, 708,589,614.30 and 429,310,925.80

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Solution

The fourth proportional to 472,393,076.20, 708,589,614.30 and 429,310,925.80 is: 643,966,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,076.20 : 708,589,614.30 = 429,310,925.80 : x
  2. Step 2: Convert to fraction form
    472,393,076.20/708,589,614.30 = 429,310,925.80/x
  3. Step 3: Cross multiply
    472,393,076.20x = 708,589,614.30 × 429,310,925.80
  4. Step 4: Simplify right side
    472,393,076.20x = 304,205,263,327,397,888
  5. Step 5: Solve for x
    x = 304,205,263,327,397,888/472,393,076.20
  6. Step 6: Final answer
    x = 643,966,388.70

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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.