Home / 756,488,468.20-1,134,945,278.70-368,323,961.80

Finding the Fourth Proportional to 756,488,468.20, 1,134,945,278.70 and 368,323,961.80

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Solution

The fourth proportional to 756,488,468.20, 1,134,945,278.70 and 368,323,961.80 is: 552,589,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,488,468.20 : 1,134,945,278.70 = 368,323,961.80 : x
  2. Step 2: Convert to fraction form
    756,488,468.20/1,134,945,278.70 = 368,323,961.80/x
  3. Step 3: Cross multiply
    756,488,468.20x = 1,134,945,278.70 × 368,323,961.80
  4. Step 4: Simplify right side
    756,488,468.20x = 418,027,541,476,989,184
  5. Step 5: Solve for x
    x = 418,027,541,476,989,184/756,488,468.20
  6. Step 6: Final answer
    x = 552,589,443.26

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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.