Home / 436,914,024.60-655,371,036.90-399,500,578.20

Finding the Fourth Proportional to 436,914,024.60, 655,371,036.90 and 399,500,578.20

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Solution

The fourth proportional to 436,914,024.60, 655,371,036.90 and 399,500,578.20 is: 599,250,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,914,024.60 : 655,371,036.90 = 399,500,578.20 : x
  2. Step 2: Convert to fraction form
    436,914,024.60/655,371,036.90 = 399,500,578.20/x
  3. Step 3: Cross multiply
    436,914,024.60x = 655,371,036.90 × 399,500,578.20
  4. Step 4: Simplify right side
    436,914,024.60x = 261,821,108,177,083,520
  5. Step 5: Solve for x
    x = 261,821,108,177,083,520/436,914,024.60
  6. Step 6: Final answer
    x = 599,250,867.30

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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.