Home / 468,971,474.26-647,178,561.30-268,024,996.21

Finding the Fourth Proportional to 468,971,474.26, 647,178,561.30 and 268,024,996.21

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Solution

The fourth proportional to 468,971,474.26, 647,178,561.30 and 268,024,996.21 is: 369,873,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,971,474.26 : 647,178,561.30 = 268,024,996.21 : x
  2. Step 2: Convert to fraction form
    468,971,474.26/647,178,561.30 = 268,024,996.21/x
  3. Step 3: Cross multiply
    468,971,474.26x = 647,178,561.30 × 268,024,996.21
  4. Step 4: Simplify right side
    468,971,474.26x = 173,460,031,439,625,760
  5. Step 5: Solve for x
    x = 173,460,031,439,625,760/468,971,474.26
  6. Step 6: Final answer
    x = 369,873,309.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.