Home / 709,971,227.12-1,065,071,275.81-218,684,268.32

Finding the Fourth Proportional to 709,971,227.12, 1,065,071,275.81 and 218,684,268.32

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Solution

The fourth proportional to 709,971,227.12, 1,065,071,275.81 and 218,684,268.32 is: 328,061,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,227.12 : 1,065,071,275.81 = 218,684,268.32 : x
  2. Step 2: Convert to fraction form
    709,971,227.12/1,065,071,275.81 = 218,684,268.32/x
  3. Step 3: Cross multiply
    709,971,227.12x = 1,065,071,275.81 × 218,684,268.32
  4. Step 4: Simplify right side
    709,971,227.12x = 232,914,332,661,274,720
  5. Step 5: Solve for x
    x = 232,914,332,661,274,720/709,971,227.12
  6. Step 6: Final answer
    x = 328,061,650.62

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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.