Home / 361,948,409.28-499,540,037.76-205,354,310.40

Finding the Fourth Proportional to 361,948,409.28, 499,540,037.76 and 205,354,310.40

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Solution

The fourth proportional to 361,948,409.28, 499,540,037.76 and 205,354,310.40 is: 283,418,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,948,409.28 : 499,540,037.76 = 205,354,310.40 : x
  2. Step 2: Convert to fraction form
    361,948,409.28/499,540,037.76 = 205,354,310.40/x
  3. Step 3: Cross multiply
    361,948,409.28x = 499,540,037.76 × 205,354,310.40
  4. Step 4: Simplify right side
    361,948,409.28x = 102,582,699,971,394,768
  5. Step 5: Solve for x
    x = 102,582,699,971,394,768/361,948,409.28
  6. Step 6: Final answer
    x = 283,418,015.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.