Home / 955,446,309.40-1,432,503,175.11-423,368,344.43

Finding the Fourth Proportional to 955,446,309.40, 1,432,503,175.11 and 423,368,344.43

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Solution

The fourth proportional to 955,446,309.40, 1,432,503,175.11 and 423,368,344.43 is: 634,757,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,446,309.40 : 1,432,503,175.11 = 423,368,344.43 : x
  2. Step 2: Convert to fraction form
    955,446,309.40/1,432,503,175.11 = 423,368,344.43/x
  3. Step 3: Cross multiply
    955,446,309.40x = 1,432,503,175.11 × 423,368,344.43
  4. Step 4: Simplify right side
    955,446,309.40x = 606,476,497,642,890,112
  5. Step 5: Solve for x
    x = 606,476,497,642,890,112/955,446,309.40
  6. Step 6: Final answer
    x = 634,757,276.97

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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.