Home / 298,306,829,406.33-411,663,589,722.02-161,129,654,934.07

Finding the Fourth Proportional to 298,306,829,406.33, 411,663,589,722.02 and 161,129,654,934.07

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Solution

The fourth proportional to 298,306,829,406.33, 411,663,589,722.02 and 161,129,654,934.07 is: 222,359,013,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,306,829,406.33 : 411,663,589,722.02 = 161,129,654,934.07 : x
  2. Step 2: Convert to fraction form
    298,306,829,406.33/411,663,589,722.02 = 161,129,654,934.07/x
  3. Step 3: Cross multiply
    298,306,829,406.33x = 411,663,589,722.02 × 161,129,654,934.07
  4. Step 4: Simplify right side
    298,306,829,406.33x = 66,331,212,160,829,656,924,160
  5. Step 5: Solve for x
    x = 66,331,212,160,829,656,924,160/298,306,829,406.33
  6. Step 6: Final answer
    x = 222,359,013,009.65

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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.