Home / 814,519,566.23-1,124,599,357.82-762,480,863.51

Finding the Fourth Proportional to 814,519,566.23, 1,124,599,357.82 and 762,480,863.51

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Solution

The fourth proportional to 814,519,566.23, 1,124,599,357.82 and 762,480,863.51 is: 1,052,750,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,519,566.23 : 1,124,599,357.82 = 762,480,863.51 : x
  2. Step 2: Convert to fraction form
    814,519,566.23/1,124,599,357.82 = 762,480,863.51/x
  3. Step 3: Cross multiply
    814,519,566.23x = 1,124,599,357.82 × 762,480,863.51
  4. Step 4: Simplify right side
    814,519,566.23x = 857,485,489,449,668,224
  5. Step 5: Solve for x
    x = 857,485,489,449,668,224/814,519,566.23
  6. Step 6: Final answer
    x = 1,052,750,019.77

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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.