Home / 409,037,166.80-613,555,750.20-279,897,003.80

Finding the Fourth Proportional to 409,037,166.80, 613,555,750.20 and 279,897,003.80

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Solution

The fourth proportional to 409,037,166.80, 613,555,750.20 and 279,897,003.80 is: 419,845,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,037,166.80 : 613,555,750.20 = 279,897,003.80 : x
  2. Step 2: Convert to fraction form
    409,037,166.80/613,555,750.20 = 279,897,003.80/x
  3. Step 3: Cross multiply
    409,037,166.80x = 613,555,750.20 × 279,897,003.80
  4. Step 4: Simplify right side
    409,037,166.80x = 171,732,416,145,241,280
  5. Step 5: Solve for x
    x = 171,732,416,145,241,280/409,037,166.80
  6. Step 6: Final answer
    x = 419,845,505.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.