Home / 482,412,801.54-665,549,319.69-284,053,067.94

Finding the Fourth Proportional to 482,412,801.54, 665,549,319.69 and 284,053,067.94

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Solution

The fourth proportional to 482,412,801.54, 665,549,319.69 and 284,053,067.94 is: 391,887,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,412,801.54 : 665,549,319.69 = 284,053,067.94 : x
  2. Step 2: Convert to fraction form
    482,412,801.54/665,549,319.69 = 284,053,067.94/x
  3. Step 3: Cross multiply
    482,412,801.54x = 665,549,319.69 × 284,053,067.94
  4. Step 4: Simplify right side
    482,412,801.54x = 189,051,326,123,324,352
  5. Step 5: Solve for x
    x = 189,051,326,123,324,352/482,412,801.54
  6. Step 6: Final answer
    x = 391,887,042.63

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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.