Home / 655,448,000.30-983,172,000.45-267,059,107.70

Finding the Fourth Proportional to 655,448,000.30, 983,172,000.45 and 267,059,107.70

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Solution

The fourth proportional to 655,448,000.30, 983,172,000.45 and 267,059,107.70 is: 400,588,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,448,000.30 : 983,172,000.45 = 267,059,107.70 : x
  2. Step 2: Convert to fraction form
    655,448,000.30/983,172,000.45 = 267,059,107.70/x
  3. Step 3: Cross multiply
    655,448,000.30x = 983,172,000.45 × 267,059,107.70
  4. Step 4: Simplify right side
    655,448,000.30x = 262,565,037,155,800,992
  5. Step 5: Solve for x
    x = 262,565,037,155,800,992/655,448,000.30
  6. Step 6: Final answer
    x = 400,588,661.55

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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.