Home / 663,678,676.24-915,739,843.44-381,366,568.24

Finding the Fourth Proportional to 663,678,676.24, 915,739,843.44 and 381,366,568.24

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Solution

The fourth proportional to 663,678,676.24, 915,739,843.44 and 381,366,568.24 is: 526,207,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,678,676.24 : 915,739,843.44 = 381,366,568.24 : x
  2. Step 2: Convert to fraction form
    663,678,676.24/915,739,843.44 = 381,366,568.24/x
  3. Step 3: Cross multiply
    663,678,676.24x = 915,739,843.44 × 381,366,568.24
  4. Step 4: Simplify right side
    663,678,676.24x = 349,232,561,493,347,712
  5. Step 5: Solve for x
    x = 349,232,561,493,347,712/663,678,676.24
  6. Step 6: Final answer
    x = 526,207,295.78

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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.