Home / 436,839,712.70-655,259,569.05-207,257,200.70

Finding the Fourth Proportional to 436,839,712.70, 655,259,569.05 and 207,257,200.70

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Solution

The fourth proportional to 436,839,712.70, 655,259,569.05 and 207,257,200.70 is: 310,885,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,839,712.70 : 655,259,569.05 = 207,257,200.70 : x
  2. Step 2: Convert to fraction form
    436,839,712.70/655,259,569.05 = 207,257,200.70/x
  3. Step 3: Cross multiply
    436,839,712.70x = 655,259,569.05 × 207,257,200.70
  4. Step 4: Simplify right side
    436,839,712.70x = 135,807,264,013,191,344
  5. Step 5: Solve for x
    x = 135,807,264,013,191,344/436,839,712.70
  6. Step 6: Final answer
    x = 310,885,801.05

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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.