Home / 1,087,964,589.87-1,501,396,218.36-618,091,694.01

Finding the Fourth Proportional to 1,087,964,589.87, 1,501,396,218.36 and 618,091,694.01

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Solution

The fourth proportional to 1,087,964,589.87, 1,501,396,218.36 and 618,091,694.01 is: 852,969,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,964,589.87 : 1,501,396,218.36 = 618,091,694.01 : x
  2. Step 2: Convert to fraction form
    1,087,964,589.87/1,501,396,218.36 = 618,091,694.01/x
  3. Step 3: Cross multiply
    1,087,964,589.87x = 1,501,396,218.36 × 618,091,694.01
  4. Step 4: Simplify right side
    1,087,964,589.87x = 928,000,531,986,340,224
  5. Step 5: Solve for x
    x = 928,000,531,986,340,224/1,087,964,589.87
  6. Step 6: Final answer
    x = 852,969,426.24

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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.