Home / 688,620,920.64-1,032,936,028.33-251,741,874.97

Finding the Fourth Proportional to 688,620,920.64, 1,032,936,028.33 and 251,741,874.97

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Solution

The fourth proportional to 688,620,920.64, 1,032,936,028.33 and 251,741,874.97 is: 377,614,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,620,920.64 : 1,032,936,028.33 = 251,741,874.97 : x
  2. Step 2: Convert to fraction form
    688,620,920.64/1,032,936,028.33 = 251,741,874.97/x
  3. Step 3: Cross multiply
    688,620,920.64x = 1,032,936,028.33 × 251,741,874.97
  4. Step 4: Simplify right side
    688,620,920.64x = 260,033,252,495,859,232
  5. Step 5: Solve for x
    x = 260,033,252,495,859,232/688,620,920.64
  6. Step 6: Final answer
    x = 377,614,511.41

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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.