Home / 906,480,245.04-1,247,920,857.97-864,832,542.45

Finding the Fourth Proportional to 906,480,245.04, 1,247,920,857.97 and 864,832,542.45

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Solution

The fourth proportional to 906,480,245.04, 1,247,920,857.97 and 864,832,542.45 is: 1,190,585,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,480,245.04 : 1,247,920,857.97 = 864,832,542.45 : x
  2. Step 2: Convert to fraction form
    906,480,245.04/1,247,920,857.97 = 864,832,542.45/x
  3. Step 3: Cross multiply
    906,480,245.04x = 1,247,920,857.97 × 864,832,542.45
  4. Step 4: Simplify right side
    906,480,245.04x = 1,079,242,568,374,580,480
  5. Step 5: Solve for x
    x = 1,079,242,568,374,580,480/906,480,245.04
  6. Step 6: Final answer
    x = 1,190,585,866.91

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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.