Home / 711,639,321.60-1,068,147,561.39-343,433,476.02

Finding the Fourth Proportional to 711,639,321.60, 1,068,147,561.39 and 343,433,476.02

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Solution

The fourth proportional to 711,639,321.60, 1,068,147,561.39 and 343,433,476.02 is: 515,482,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,639,321.60 : 1,068,147,561.39 = 343,433,476.02 : x
  2. Step 2: Convert to fraction form
    711,639,321.60/1,068,147,561.39 = 343,433,476.02/x
  3. Step 3: Cross multiply
    711,639,321.60x = 1,068,147,561.39 × 343,433,476.02
  4. Step 4: Simplify right side
    711,639,321.60x = 366,837,629,910,454,016
  5. Step 5: Solve for x
    x = 366,837,629,910,454,016/711,639,321.60
  6. Step 6: Final answer
    x = 515,482,518.71

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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.