Home / 3,412,823,176.80-5,123,061,140.40-2,639,895,386.40

Finding the Fourth Proportional to 3,412,823,176.80, 5,123,061,140.40 and 2,639,895,386.40

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Solution

The fourth proportional to 3,412,823,176.80, 5,123,061,140.40 and 2,639,895,386.40 is: 3,962,802,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,823,176.80 : 5,123,061,140.40 = 2,639,895,386.40 : x
  2. Step 2: Convert to fraction form
    3,412,823,176.80/5,123,061,140.40 = 2,639,895,386.40/x
  3. Step 3: Cross multiply
    3,412,823,176.80x = 5,123,061,140.40 × 2,639,895,386.40
  4. Step 4: Simplify right side
    3,412,823,176.80x = 13,524,345,468,787,081,216
  5. Step 5: Solve for x
    x = 13,524,345,468,787,081,216/3,412,823,176.80
  6. Step 6: Final answer
    x = 3,962,802,866.77

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1.5x scale

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.