Home / 991,784,251.14-1,487,891,610.31-301,673,568.97

Finding the Fourth Proportional to 991,784,251.14, 1,487,891,610.31 and 301,673,568.97

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Solution

The fourth proportional to 991,784,251.14, 1,487,891,610.31 and 301,673,568.97 is: 452,575,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,784,251.14 : 1,487,891,610.31 = 301,673,568.97 : x
  2. Step 2: Convert to fraction form
    991,784,251.14/1,487,891,610.31 = 301,673,568.97/x
  3. Step 3: Cross multiply
    991,784,251.14x = 1,487,891,610.31 × 301,673,568.97
  4. Step 4: Simplify right side
    991,784,251.14x = 448,857,572,322,738,176
  5. Step 5: Solve for x
    x = 448,857,572,322,738,176/991,784,251.14
  6. Step 6: Final answer
    x = 452,575,821.61

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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.