Home / 303,344,500.60-418,904,514.73-286,818,339.33

Finding the Fourth Proportional to 303,344,500.60, 418,904,514.73 and 286,818,339.33

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Solution

The fourth proportional to 303,344,500.60, 418,904,514.73 and 286,818,339.33 is: 396,082,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,344,500.60 : 418,904,514.73 = 286,818,339.33 : x
  2. Step 2: Convert to fraction form
    303,344,500.60/418,904,514.73 = 286,818,339.33/x
  3. Step 3: Cross multiply
    303,344,500.60x = 418,904,514.73 × 286,818,339.33
  4. Step 4: Simplify right side
    303,344,500.60x = 120,149,497,252,698,128
  5. Step 5: Solve for x
    x = 120,149,497,252,698,128/303,344,500.60
  6. Step 6: Final answer
    x = 396,082,661.85

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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.