Home / 330,912,984.40-496,369,476.60-219,948,103.60

Finding the Fourth Proportional to 330,912,984.40, 496,369,476.60 and 219,948,103.60

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Solution

The fourth proportional to 330,912,984.40, 496,369,476.60 and 219,948,103.60 is: 329,922,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,912,984.40 : 496,369,476.60 = 219,948,103.60 : x
  2. Step 2: Convert to fraction form
    330,912,984.40/496,369,476.60 = 219,948,103.60/x
  3. Step 3: Cross multiply
    330,912,984.40x = 496,369,476.60 × 219,948,103.60
  4. Step 4: Simplify right side
    330,912,984.40x = 109,175,525,063,094,576
  5. Step 5: Solve for x
    x = 109,175,525,063,094,576/330,912,984.40
  6. Step 6: Final answer
    x = 329,922,155.40

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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.