Home / 1,087,964,575.23-1,501,396,198.18-618,091,679.39

Finding the Fourth Proportional to 1,087,964,575.23, 1,501,396,198.18 and 618,091,679.39

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Solution

The fourth proportional to 1,087,964,575.23, 1,501,396,198.18 and 618,091,679.39 is: 852,969,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,964,575.23 : 1,501,396,198.18 = 618,091,679.39 : x
  2. Step 2: Convert to fraction form
    1,087,964,575.23/1,501,396,198.18 = 618,091,679.39/x
  3. Step 3: Cross multiply
    1,087,964,575.23x = 1,501,396,198.18 × 618,091,679.39
  4. Step 4: Simplify right side
    1,087,964,575.23x = 928,000,497,557,308,288
  5. Step 5: Solve for x
    x = 928,000,497,557,308,288/1,087,964,575.23
  6. Step 6: Final answer
    x = 852,969,406.07

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Double scale
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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.