Home / 820,932,170.70-1,132,872,394.38-444,585,708.48

Finding the Fourth Proportional to 820,932,170.70, 1,132,872,394.38 and 444,585,708.48

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Solution

The fourth proportional to 820,932,170.70, 1,132,872,394.38 and 444,585,708.48 is: 613,520,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,932,170.70 : 1,132,872,394.38 = 444,585,708.48 : x
  2. Step 2: Convert to fraction form
    820,932,170.70/1,132,872,394.38 = 444,585,708.48/x
  3. Step 3: Cross multiply
    820,932,170.70x = 1,132,872,394.38 × 444,585,708.48
  4. Step 4: Simplify right side
    820,932,170.70x = 503,658,876,072,866,368
  5. Step 5: Solve for x
    x = 503,658,876,072,866,368/820,932,170.70
  6. Step 6: Final answer
    x = 613,520,695.19

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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.