Home / 298,306,829,084.94-411,663,589,278.65-161,129,654,612.68

Finding the Fourth Proportional to 298,306,829,084.94, 411,663,589,278.65 and 161,129,654,612.68

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Solution

The fourth proportional to 298,306,829,084.94, 411,663,589,278.65 and 161,129,654,612.68 is: 222,359,012,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,306,829,084.94 : 411,663,589,278.65 = 161,129,654,612.68 : x
  2. Step 2: Convert to fraction form
    298,306,829,084.94/411,663,589,278.65 = 161,129,654,612.68/x
  3. Step 3: Cross multiply
    298,306,829,084.94x = 411,663,589,278.65 × 161,129,654,612.68
  4. Step 4: Simplify right side
    298,306,829,084.94x = 66,331,211,957,085,031,890,944
  5. Step 5: Solve for x
    x = 66,331,211,957,085,031,890,944/298,306,829,084.94
  6. Step 6: Final answer
    x = 222,359,012,566.21

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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.