Home / 976,917,436.57-1,465,663,687.25-355,122,867.55

Finding the Fourth Proportional to 976,917,436.57, 1,465,663,687.25 and 355,122,867.55

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Solution

The fourth proportional to 976,917,436.57, 1,465,663,687.25 and 355,122,867.55 is: 532,788,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,917,436.57 : 1,465,663,687.25 = 355,122,867.55 : x
  2. Step 2: Convert to fraction form
    976,917,436.57/1,465,663,687.25 = 355,122,867.55/x
  3. Step 3: Cross multiply
    976,917,436.57x = 1,465,663,687.25 × 355,122,867.55
  4. Step 4: Simplify right side
    976,917,436.57x = 520,490,691,479,182,080
  5. Step 5: Solve for x
    x = 520,490,691,479,182,080/976,917,436.57
  6. Step 6: Final answer
    x = 532,788,823.29

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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.