Home / 400,247,205.12-552,262,590.72-251,482,129.92

Finding the Fourth Proportional to 400,247,205.12, 552,262,590.72 and 251,482,129.92

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Solution

The fourth proportional to 400,247,205.12, 552,262,590.72 and 251,482,129.92 is: 346,995,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,247,205.12 : 552,262,590.72 = 251,482,129.92 : x
  2. Step 2: Convert to fraction form
    400,247,205.12/552,262,590.72 = 251,482,129.92/x
  3. Step 3: Cross multiply
    400,247,205.12x = 552,262,590.72 × 251,482,129.92
  4. Step 4: Simplify right side
    400,247,205.12x = 138,884,172,589,402,832
  5. Step 5: Solve for x
    x = 138,884,172,589,402,832/400,247,205.12
  6. Step 6: Final answer
    x = 346,995,983.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.