Home / 495,412,920.80-743,119,381.20-204,130,108.70

Finding the Fourth Proportional to 495,412,920.80, 743,119,381.20 and 204,130,108.70

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Solution

The fourth proportional to 495,412,920.80, 743,119,381.20 and 204,130,108.70 is: 306,195,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,412,920.80 : 743,119,381.20 = 204,130,108.70 : x
  2. Step 2: Convert to fraction form
    495,412,920.80/743,119,381.20 = 204,130,108.70/x
  3. Step 3: Cross multiply
    495,412,920.80x = 743,119,381.20 × 204,130,108.70
  4. Step 4: Simplify right side
    495,412,920.80x = 151,693,040,061,432,736
  5. Step 5: Solve for x
    x = 151,693,040,061,432,736/495,412,920.80
  6. Step 6: Final answer
    x = 306,195,163.05

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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.