Home / 454,172,143.27-626,757,832.30-245,328,378.19

Finding the Fourth Proportional to 454,172,143.27, 626,757,832.30 and 245,328,378.19

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Solution

The fourth proportional to 454,172,143.27, 626,757,832.30 and 245,328,378.19 is: 338,553,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,172,143.27 : 626,757,832.30 = 245,328,378.19 : x
  2. Step 2: Convert to fraction form
    454,172,143.27/626,757,832.30 = 245,328,378.19/x
  3. Step 3: Cross multiply
    454,172,143.27x = 626,757,832.30 × 245,328,378.19
  4. Step 4: Simplify right side
    454,172,143.27x = 153,761,482,516,038,976
  5. Step 5: Solve for x
    x = 153,761,482,516,038,976/454,172,143.27
  6. Step 6: Final answer
    x = 338,553,310.22

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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.