Home / 463,930,960.40-695,786,565.72-172,934,689.04

Finding the Fourth Proportional to 463,930,960.40, 695,786,565.72 and 172,934,689.04

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Solution

The fourth proportional to 463,930,960.40, 695,786,565.72 and 172,934,689.04 is: 259,361,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,930,960.40 : 695,786,565.72 = 172,934,689.04 : x
  2. Step 2: Convert to fraction form
    463,930,960.40/695,786,565.72 = 172,934,689.04/x
  3. Step 3: Cross multiply
    463,930,960.40x = 695,786,565.72 × 172,934,689.04
  4. Step 4: Simplify right side
    463,930,960.40x = 120,325,633,380,997,728
  5. Step 5: Solve for x
    x = 120,325,633,380,997,728/463,930,960.40
  6. Step 6: Final answer
    x = 259,361,076.65

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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.