Home / 629,583,743.40-944,375,615.10-198,706,252.20

Finding the Fourth Proportional to 629,583,743.40, 944,375,615.10 and 198,706,252.20

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Solution

The fourth proportional to 629,583,743.40, 944,375,615.10 and 198,706,252.20 is: 298,059,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,583,743.40 : 944,375,615.10 = 198,706,252.20 : x
  2. Step 2: Convert to fraction form
    629,583,743.40/944,375,615.10 = 198,706,252.20/x
  3. Step 3: Cross multiply
    629,583,743.40x = 944,375,615.10 × 198,706,252.20
  4. Step 4: Simplify right side
    629,583,743.40x = 187,653,339,145,590,720
  5. Step 5: Solve for x
    x = 187,653,339,145,590,720/629,583,743.40
  6. Step 6: Final answer
    x = 298,059,378.30

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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.