Home / 1,169,112,426.13-1,613,375,014.22-699,213,671.74

Finding the Fourth Proportional to 1,169,112,426.13, 1,613,375,014.22 and 699,213,671.74

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Solution

The fourth proportional to 1,169,112,426.13, 1,613,375,014.22 and 699,213,671.74 is: 964,914,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,112,426.13 : 1,613,375,014.22 = 699,213,671.74 : x
  2. Step 2: Convert to fraction form
    1,169,112,426.13/1,613,375,014.22 = 699,213,671.74/x
  3. Step 3: Cross multiply
    1,169,112,426.13x = 1,613,375,014.22 × 699,213,671.74
  4. Step 4: Simplify right side
    1,169,112,426.13x = 1,128,093,867,586,340,992
  5. Step 5: Solve for x
    x = 1,128,093,867,586,340,992/1,169,112,426.13
  6. Step 6: Final answer
    x = 964,914,786.96

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1.5x scale

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.