Home / 411,700,138.40-616,983,337.20-273,131,818.40

Finding the Fourth Proportional to 411,700,138.40, 616,983,337.20 and 273,131,818.40

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Solution

The fourth proportional to 411,700,138.40, 616,983,337.20 and 273,131,818.40 is: 409,321,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,700,138.40 : 616,983,337.20 = 273,131,818.40 : x
  2. Step 2: Convert to fraction form
    411,700,138.40/616,983,337.20 = 273,131,818.40/x
  3. Step 3: Cross multiply
    411,700,138.40x = 616,983,337.20 × 273,131,818.40
  4. Step 4: Simplify right side
    411,700,138.40x = 168,517,780,811,936,352
  5. Step 5: Solve for x
    x = 168,517,780,811,936,352/411,700,138.40
  6. Step 6: Final answer
    x = 409,321,652.08

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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.