Home / 298,306,829,108.97-411,663,589,311.78-161,129,654,636.71

Finding the Fourth Proportional to 298,306,829,108.97, 411,663,589,311.78 and 161,129,654,636.71

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Solution

The fourth proportional to 298,306,829,108.97, 411,663,589,311.78 and 161,129,654,636.71 is: 222,359,012,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,306,829,108.97 : 411,663,589,311.78 = 161,129,654,636.71 : x
  2. Step 2: Convert to fraction form
    298,306,829,108.97/411,663,589,311.78 = 161,129,654,636.71/x
  3. Step 3: Cross multiply
    298,306,829,108.97x = 411,663,589,311.78 × 161,129,654,636.71
  4. Step 4: Simplify right side
    298,306,829,108.97x = 66,331,211,972,315,531,182,080
  5. Step 5: Solve for x
    x = 66,331,211,972,315,531,182,080/298,306,829,108.97
  6. Step 6: Final answer
    x = 222,359,012,599.36

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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.