Home / 281,821,006.40-422,731,509.60-238,822,836.80

Finding the Fourth Proportional to 281,821,006.40, 422,731,509.60 and 238,822,836.80

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Solution

The fourth proportional to 281,821,006.40, 422,731,509.60 and 238,822,836.80 is: 358,234,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,821,006.40 : 422,731,509.60 = 238,822,836.80 : x
  2. Step 2: Convert to fraction form
    281,821,006.40/422,731,509.60 = 238,822,836.80/x
  3. Step 3: Cross multiply
    281,821,006.40x = 422,731,509.60 × 238,822,836.80
  4. Step 4: Simplify right side
    281,821,006.40x = 100,957,938,327,418,448
  5. Step 5: Solve for x
    x = 100,957,938,327,418,448/281,821,006.40
  6. Step 6: Final answer
    x = 358,234,255.20

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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.