Home / 298,306,829,407.32-411,663,589,723.40-161,129,654,935.07

Finding the Fourth Proportional to 298,306,829,407.32, 411,663,589,723.40 and 161,129,654,935.07

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Solution

The fourth proportional to 298,306,829,407.32, 411,663,589,723.40 and 161,129,654,935.07 is: 222,359,013,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,306,829,407.32 : 411,663,589,723.40 = 161,129,654,935.07 : x
  2. Step 2: Convert to fraction form
    298,306,829,407.32/411,663,589,723.40 = 161,129,654,935.07/x
  3. Step 3: Cross multiply
    298,306,829,407.32x = 411,663,589,723.40 × 161,129,654,935.07
  4. Step 4: Simplify right side
    298,306,829,407.32x = 66,331,212,161,463,676,305,408
  5. Step 5: Solve for x
    x = 66,331,212,161,463,676,305,408/298,306,829,407.32
  6. Step 6: Final answer
    x = 222,359,013,011.04

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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.