Home / 298,306,829,086.38-411,663,589,280.64-161,129,654,614.12

Finding the Fourth Proportional to 298,306,829,086.38, 411,663,589,280.64 and 161,129,654,614.12

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Solution

The fourth proportional to 298,306,829,086.38, 411,663,589,280.64 and 161,129,654,614.12 is: 222,359,012,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,306,829,086.38 : 411,663,589,280.64 = 161,129,654,614.12 : x
  2. Step 2: Convert to fraction form
    298,306,829,086.38/411,663,589,280.64 = 161,129,654,614.12/x
  3. Step 3: Cross multiply
    298,306,829,086.38x = 411,663,589,280.64 × 161,129,654,614.12
  4. Step 4: Simplify right side
    298,306,829,086.38x = 66,331,211,957,998,475,804,672
  5. Step 5: Solve for x
    x = 66,331,211,957,998,475,804,672/298,306,829,086.38
  6. Step 6: Final answer
    x = 222,359,012,568.20

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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.