Home / 2,870,876,952.64-4,306,315,434.78-689,843,091.52

Finding the Fourth Proportional to 2,870,876,952.64, 4,306,315,434.78 and 689,843,091.52

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Solution

The fourth proportional to 2,870,876,952.64, 4,306,315,434.78 and 689,843,091.52 is: 1,034,764,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,876,952.64 : 4,306,315,434.78 = 689,843,091.52 : x
  2. Step 2: Convert to fraction form
    2,870,876,952.64/4,306,315,434.78 = 689,843,091.52/x
  3. Step 3: Cross multiply
    2,870,876,952.64x = 4,306,315,434.78 × 689,843,091.52
  4. Step 4: Simplify right side
    2,870,876,952.64x = 2,970,681,952,588,928,000
  5. Step 5: Solve for x
    x = 2,970,681,952,588,928,000/2,870,876,952.64
  6. Step 6: Final answer
    x = 1,034,764,638.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.