Home / 298,306,829,198.76-411,663,589,436.20-161,129,654,726.52

Finding the Fourth Proportional to 298,306,829,198.76, 411,663,589,436.20 and 161,129,654,726.52

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Solution

The fourth proportional to 298,306,829,198.76, 411,663,589,436.20 and 161,129,654,726.52 is: 222,359,012,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,306,829,198.76 : 411,663,589,436.20 = 161,129,654,726.52 : x
  2. Step 2: Convert to fraction form
    298,306,829,198.76/411,663,589,436.20 = 161,129,654,726.52/x
  3. Step 3: Cross multiply
    298,306,829,198.76x = 411,663,589,436.20 × 161,129,654,726.52
  4. Step 4: Simplify right side
    298,306,829,198.76x = 66,331,212,029,334,787,194,880
  5. Step 5: Solve for x
    x = 66,331,212,029,334,787,194,880/298,306,829,198.76
  6. Step 6: Final answer
    x = 222,359,012,723.57

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1.5x scale

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.