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Finding the Fourth Proportional to 367,234,401.80, 550,851,602.70 and 319,404,711.80

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Solution

The fourth proportional to 367,234,401.80, 550,851,602.70 and 319,404,711.80 is: 479,107,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,234,401.80 : 550,851,602.70 = 319,404,711.80 : x
  2. Step 2: Convert to fraction form
    367,234,401.80/550,851,602.70 = 319,404,711.80/x
  3. Step 3: Cross multiply
    367,234,401.80x = 550,851,602.70 × 319,404,711.80
  4. Step 4: Simplify right side
    367,234,401.80x = 175,944,597,404,961,632
  5. Step 5: Solve for x
    x = 175,944,597,404,961,632/367,234,401.80
  6. Step 6: Final answer
    x = 479,107,067.70

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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.