Home / 363,837,781.40-545,756,672.10-200,012,235.80

Finding the Fourth Proportional to 363,837,781.40, 545,756,672.10 and 200,012,235.80

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Solution

The fourth proportional to 363,837,781.40, 545,756,672.10 and 200,012,235.80 is: 300,018,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,837,781.40 : 545,756,672.10 = 200,012,235.80 : x
  2. Step 2: Convert to fraction form
    363,837,781.40/545,756,672.10 = 200,012,235.80/x
  3. Step 3: Cross multiply
    363,837,781.40x = 545,756,672.10 × 200,012,235.80
  4. Step 4: Simplify right side
    363,837,781.40x = 109,158,012,189,488,496
  5. Step 5: Solve for x
    x = 109,158,012,189,488,496/363,837,781.40
  6. Step 6: Final answer
    x = 300,018,353.70

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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.