Home / 436,619,965.40-654,929,948.10-218,304,002.60

Finding the Fourth Proportional to 436,619,965.40, 654,929,948.10 and 218,304,002.60

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Solution

The fourth proportional to 436,619,965.40, 654,929,948.10 and 218,304,002.60 is: 327,456,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,619,965.40 : 654,929,948.10 = 218,304,002.60 : x
  2. Step 2: Convert to fraction form
    436,619,965.40/654,929,948.10 = 218,304,002.60/x
  3. Step 3: Cross multiply
    436,619,965.40x = 654,929,948.10 × 218,304,002.60
  4. Step 4: Simplify right side
    436,619,965.40x = 142,973,829,092,840,272
  5. Step 5: Solve for x
    x = 142,973,829,092,840,272/436,619,965.40
  6. Step 6: Final answer
    x = 327,456,003.90

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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.