Home / 1,995,379,391.29-2,752,326,086.67-1,279,781,482.77

Finding the Fourth Proportional to 1,995,379,391.29, 2,752,326,086.67 and 1,279,781,482.77

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Solution

The fourth proportional to 1,995,379,391.29, 2,752,326,086.67 and 1,279,781,482.77 is: 1,765,266,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,379,391.29 : 2,752,326,086.67 = 1,279,781,482.77 : x
  2. Step 2: Convert to fraction form
    1,995,379,391.29/2,752,326,086.67 = 1,279,781,482.77/x
  3. Step 3: Cross multiply
    1,995,379,391.29x = 2,752,326,086.67 × 1,279,781,482.77
  4. Step 4: Simplify right side
    1,995,379,391.29x = 3,522,375,960,265,084,416
  5. Step 5: Solve for x
    x = 3,522,375,960,265,084,416/1,995,379,391.29
  6. Step 6: Final answer
    x = 1,765,266,282.51

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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.