Home / 1,282,404,748.32-1,769,569,253.19-717,920,540.28

Finding the Fourth Proportional to 1,282,404,748.32, 1,769,569,253.19 and 717,920,540.28

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Solution

The fourth proportional to 1,282,404,748.32, 1,769,569,253.19 and 717,920,540.28 is: 990,646,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,404,748.32 : 1,769,569,253.19 = 717,920,540.28 : x
  2. Step 2: Convert to fraction form
    1,282,404,748.32/1,769,569,253.19 = 717,920,540.28/x
  3. Step 3: Cross multiply
    1,282,404,748.32x = 1,769,569,253.19 × 717,920,540.28
  4. Step 4: Simplify right side
    1,282,404,748.32x = 1,270,410,114,313,040,896
  5. Step 5: Solve for x
    x = 1,270,410,114,313,040,896/1,282,404,748.32
  6. Step 6: Final answer
    x = 990,646,764.20

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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.