Home / 711,639,314.85-1,068,147,551.25-343,433,469.27

Finding the Fourth Proportional to 711,639,314.85, 1,068,147,551.25 and 343,433,469.27

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Solution

The fourth proportional to 711,639,314.85, 1,068,147,551.25 and 343,433,469.27 is: 515,482,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,639,314.85 : 1,068,147,551.25 = 343,433,469.27 : x
  2. Step 2: Convert to fraction form
    711,639,314.85/1,068,147,551.25 = 343,433,469.27/x
  3. Step 3: Cross multiply
    711,639,314.85x = 1,068,147,551.25 × 343,433,469.27
  4. Step 4: Simplify right side
    711,639,314.85x = 366,837,619,218,042,624
  5. Step 5: Solve for x
    x = 366,837,619,218,042,624/711,639,314.85
  6. Step 6: Final answer
    x = 515,482,508.57

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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.