Home / 382,474,145.30-573,711,217.95-123,715,522.40

Finding the Fourth Proportional to 382,474,145.30, 573,711,217.95 and 123,715,522.40

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Solution

The fourth proportional to 382,474,145.30, 573,711,217.95 and 123,715,522.40 is: 185,573,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,474,145.30 : 573,711,217.95 = 123,715,522.40 : x
  2. Step 2: Convert to fraction form
    382,474,145.30/573,711,217.95 = 123,715,522.40/x
  3. Step 3: Cross multiply
    382,474,145.30x = 573,711,217.95 × 123,715,522.40
  4. Step 4: Simplify right side
    382,474,145.30x = 70,976,983,035,424,520
  5. Step 5: Solve for x
    x = 70,976,983,035,424,520/382,474,145.30
  6. Step 6: Final answer
    x = 185,573,283.60

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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.