Home / 330,912,966.40-496,369,449.60-219,948,085.60

Finding the Fourth Proportional to 330,912,966.40, 496,369,449.60 and 219,948,085.60

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Solution

The fourth proportional to 330,912,966.40, 496,369,449.60 and 219,948,085.60 is: 329,922,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,912,966.40 : 496,369,449.60 = 219,948,085.60 : x
  2. Step 2: Convert to fraction form
    330,912,966.40/496,369,449.60 = 219,948,085.60/x
  3. Step 3: Cross multiply
    330,912,966.40x = 496,369,449.60 × 219,948,085.60
  4. Step 4: Simplify right side
    330,912,966.40x = 109,175,510,189,845,696
  5. Step 5: Solve for x
    x = 109,175,510,189,845,696/330,912,966.40
  6. Step 6: Final answer
    x = 329,922,128.40

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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.