Home / 436,726,948.20-655,090,422.30-207,144,436.20

Finding the Fourth Proportional to 436,726,948.20, 655,090,422.30 and 207,144,436.20

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Solution

The fourth proportional to 436,726,948.20, 655,090,422.30 and 207,144,436.20 is: 310,716,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,726,948.20 : 655,090,422.30 = 207,144,436.20 : x
  2. Step 2: Convert to fraction form
    436,726,948.20/655,090,422.30 = 207,144,436.20/x
  3. Step 3: Cross multiply
    436,726,948.20x = 655,090,422.30 × 207,144,436.20
  4. Step 4: Simplify right side
    436,726,948.20x = 135,698,336,187,353,392
  5. Step 5: Solve for x
    x = 135,698,336,187,353,392/436,726,948.20
  6. Step 6: Final answer
    x = 310,716,654.30

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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.