Home / 649,035,379.68-895,669,611.24-351,677,391.85

Finding the Fourth Proportional to 649,035,379.68, 895,669,611.24 and 351,677,391.85

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Solution

The fourth proportional to 649,035,379.68, 895,669,611.24 and 351,677,391.85 is: 485,315,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,035,379.68 : 895,669,611.24 = 351,677,391.85 : x
  2. Step 2: Convert to fraction form
    649,035,379.68/895,669,611.24 = 351,677,391.85/x
  3. Step 3: Cross multiply
    649,035,379.68x = 895,669,611.24 × 351,677,391.85
  4. Step 4: Simplify right side
    649,035,379.68x = 314,986,752,840,186,688
  5. Step 5: Solve for x
    x = 314,986,752,840,186,688/649,035,379.68
  6. Step 6: Final answer
    x = 485,315,227.34

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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.