Home / 1,547,584,967.52-2,135,646,118.67-878,524,171.29

Finding the Fourth Proportional to 1,547,584,967.52, 2,135,646,118.67 and 878,524,171.29

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Solution

The fourth proportional to 1,547,584,967.52, 2,135,646,118.67 and 878,524,171.29 is: 1,212,351,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,584,967.52 : 2,135,646,118.67 = 878,524,171.29 : x
  2. Step 2: Convert to fraction form
    1,547,584,967.52/2,135,646,118.67 = 878,524,171.29/x
  3. Step 3: Cross multiply
    1,547,584,967.52x = 2,135,646,118.67 × 878,524,171.29
  4. Step 4: Simplify right side
    1,547,584,967.52x = 1,876,216,736,568,873,984
  5. Step 5: Solve for x
    x = 1,876,216,736,568,873,984/1,547,584,967.52
  6. Step 6: Final answer
    x = 1,212,351,357.73

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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.