Home / 715,678,107.88-1,073,397,560.22-198,160,861.48

Finding the Fourth Proportional to 715,678,107.88, 1,073,397,560.22 and 198,160,861.48

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Solution

The fourth proportional to 715,678,107.88, 1,073,397,560.22 and 198,160,861.48 is: 297,208,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,678,107.88 : 1,073,397,560.22 = 198,160,861.48 : x
  2. Step 2: Convert to fraction form
    715,678,107.88/1,073,397,560.22 = 198,160,861.48/x
  3. Step 3: Cross multiply
    715,678,107.88x = 1,073,397,560.22 × 198,160,861.48
  4. Step 4: Simplify right side
    715,678,107.88x = 212,705,385,243,725,376
  5. Step 5: Solve for x
    x = 212,705,385,243,725,376/715,678,107.88
  6. Step 6: Final answer
    x = 297,208,176.28

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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.