Home / 343,476,290.25-513,914,341.22-203,491,931.49

Finding the Fourth Proportional to 343,476,290.25, 513,914,341.22 and 203,491,931.49

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Solution

The fourth proportional to 343,476,290.25, 513,914,341.22 and 203,491,931.49 is: 304,467,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,476,290.25 : 513,914,341.22 = 203,491,931.49 : x
  2. Step 2: Convert to fraction form
    343,476,290.25/513,914,341.22 = 203,491,931.49/x
  3. Step 3: Cross multiply
    343,476,290.25x = 513,914,341.22 × 203,491,931.49
  4. Step 4: Simplify right side
    343,476,290.25x = 104,577,421,914,251,264
  5. Step 5: Solve for x
    x = 104,577,421,914,251,264/343,476,290.25
  6. Step 6: Final answer
    x = 304,467,658.71

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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.