Home / 1,859,971,633.56-2,790,300,721.86-769,539,732.12

Finding the Fourth Proportional to 1,859,971,633.56, 2,790,300,721.86 and 769,539,732.12

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Solution

The fourth proportional to 1,859,971,633.56, 2,790,300,721.86 and 769,539,732.12 is: 1,154,451,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,971,633.56 : 2,790,300,721.86 = 769,539,732.12 : x
  2. Step 2: Convert to fraction form
    1,859,971,633.56/2,790,300,721.86 = 769,539,732.12/x
  3. Step 3: Cross multiply
    1,859,971,633.56x = 2,790,300,721.86 × 769,539,732.12
  4. Step 4: Simplify right side
    1,859,971,633.56x = 2,147,247,270,034,387,200
  5. Step 5: Solve for x
    x = 2,147,247,270,034,387,200/1,859,971,633.56
  6. Step 6: Final answer
    x = 1,154,451,622.43

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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.