Home / 779,560,939.32-1,169,341,414.74-261,991,387.32

Finding the Fourth Proportional to 779,560,939.32, 1,169,341,414.74 and 261,991,387.32

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Solution

The fourth proportional to 779,560,939.32, 1,169,341,414.74 and 261,991,387.32 is: 392,987,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,560,939.32 : 1,169,341,414.74 = 261,991,387.32 : x
  2. Step 2: Convert to fraction form
    779,560,939.32/1,169,341,414.74 = 261,991,387.32/x
  3. Step 3: Cross multiply
    779,560,939.32x = 1,169,341,414.74 × 261,991,387.32
  4. Step 4: Simplify right side
    779,560,939.32x = 306,357,379,498,464,064
  5. Step 5: Solve for x
    x = 306,357,379,498,464,064/779,560,939.32
  6. Step 6: Final answer
    x = 392,987,082.92

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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.