Home / 649,035,379.18-895,669,610.55-351,677,391.35

Finding the Fourth Proportional to 649,035,379.18, 895,669,610.55 and 351,677,391.35

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Solution

The fourth proportional to 649,035,379.18, 895,669,610.55 and 351,677,391.35 is: 485,315,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,035,379.18 : 895,669,610.55 = 351,677,391.35 : x
  2. Step 2: Convert to fraction form
    649,035,379.18/895,669,610.55 = 351,677,391.35/x
  3. Step 3: Cross multiply
    649,035,379.18x = 895,669,610.55 × 351,677,391.35
  4. Step 4: Simplify right side
    649,035,379.18x = 314,986,752,149,694,464
  5. Step 5: Solve for x
    x = 314,986,752,149,694,464/649,035,379.18
  6. Step 6: Final answer
    x = 485,315,226.65

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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.