Home / 341,658,019.40-512,487,029.10-225,431,872.70

Finding the Fourth Proportional to 341,658,019.40, 512,487,029.10 and 225,431,872.70

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Solution

The fourth proportional to 341,658,019.40, 512,487,029.10 and 225,431,872.70 is: 338,147,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,658,019.40 : 512,487,029.10 = 225,431,872.70 : x
  2. Step 2: Convert to fraction form
    341,658,019.40/512,487,029.10 = 225,431,872.70/x
  3. Step 3: Cross multiply
    341,658,019.40x = 512,487,029.10 × 225,431,872.70
  4. Step 4: Simplify right side
    341,658,019.40x = 115,530,910,704,472,400
  5. Step 5: Solve for x
    x = 115,530,910,704,472,400/341,658,019.40
  6. Step 6: Final answer
    x = 338,147,809.05

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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.