Home / 385,723,272.90-532,302,419.16-226,988,480.10

Finding the Fourth Proportional to 385,723,272.90, 532,302,419.16 and 226,988,480.10

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Solution

The fourth proportional to 385,723,272.90, 532,302,419.16 and 226,988,480.10 is: 313,246,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,723,272.90 : 532,302,419.16 = 226,988,480.10 : x
  2. Step 2: Convert to fraction form
    385,723,272.90/532,302,419.16 = 226,988,480.10/x
  3. Step 3: Cross multiply
    385,723,272.90x = 532,302,419.16 × 226,988,480.10
  4. Step 4: Simplify right side
    385,723,272.90x = 120,826,517,078,681,520
  5. Step 5: Solve for x
    x = 120,826,517,078,681,520/385,723,272.90
  6. Step 6: Final answer
    x = 313,246,634.49

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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.