Home / 409,536,002.40-614,304,003.60-271,786,495.20

Finding the Fourth Proportional to 409,536,002.40, 614,304,003.60 and 271,786,495.20

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Solution

The fourth proportional to 409,536,002.40, 614,304,003.60 and 271,786,495.20 is: 407,679,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,536,002.40 : 614,304,003.60 = 271,786,495.20 : x
  2. Step 2: Convert to fraction form
    409,536,002.40/614,304,003.60 = 271,786,495.20/x
  3. Step 3: Cross multiply
    409,536,002.40x = 614,304,003.60 × 271,786,495.20
  4. Step 4: Simplify right side
    409,536,002.40x = 166,959,532,125,772,192
  5. Step 5: Solve for x
    x = 166,959,532,125,772,192/409,536,002.40
  6. Step 6: Final answer
    x = 407,679,742.80

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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.