Home / 291,679,959,902.15-402,523,110,142.48-159,690,107,404.02

Finding the Fourth Proportional to 291,679,959,902.15, 402,523,110,142.48 and 159,690,107,404.02

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Solution

The fourth proportional to 291,679,959,902.15, 402,523,110,142.48 and 159,690,107,404.02 is: 220,374,957,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,679,959,902.15 : 402,523,110,142.48 = 159,690,107,404.02 : x
  2. Step 2: Convert to fraction form
    291,679,959,902.15/402,523,110,142.48 = 159,690,107,404.02/x
  3. Step 3: Cross multiply
    291,679,959,902.15x = 402,523,110,142.48 × 159,690,107,404.02
  4. Step 4: Simplify right side
    291,679,959,902.15x = 64,278,958,691,252,799,799,296
  5. Step 5: Solve for x
    x = 64,278,958,691,252,799,799,296/291,679,959,902.15
  6. Step 6: Final answer
    x = 220,374,957,240.18

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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.