Home / 413,548,218.60-620,322,327.90-219,359,677.20

Finding the Fourth Proportional to 413,548,218.60, 620,322,327.90 and 219,359,677.20

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Solution

The fourth proportional to 413,548,218.60, 620,322,327.90 and 219,359,677.20 is: 329,039,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,548,218.60 : 620,322,327.90 = 219,359,677.20 : x
  2. Step 2: Convert to fraction form
    413,548,218.60/620,322,327.90 = 219,359,677.20/x
  3. Step 3: Cross multiply
    413,548,218.60x = 620,322,327.90 × 219,359,677.20
  4. Step 4: Simplify right side
    413,548,218.60x = 136,073,705,608,096,544
  5. Step 5: Solve for x
    x = 136,073,705,608,096,544/413,548,218.60
  6. Step 6: Final answer
    x = 329,039,515.80

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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.