Home / 1,189,567,222.12-1,641,647,069.76-713,335,126.11

Finding the Fourth Proportional to 1,189,567,222.12, 1,641,647,069.76 and 713,335,126.11

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Solution

The fourth proportional to 1,189,567,222.12, 1,641,647,069.76 and 713,335,126.11 is: 984,429,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,567,222.12 : 1,641,647,069.76 = 713,335,126.11 : x
  2. Step 2: Convert to fraction form
    1,189,567,222.12/1,641,647,069.76 = 713,335,126.11/x
  3. Step 3: Cross multiply
    1,189,567,222.12x = 1,641,647,069.76 × 713,335,126.11
  4. Step 4: Simplify right side
    1,189,567,222.12x = 1,171,044,519,535,361,536
  5. Step 5: Solve for x
    x = 1,171,044,519,535,361,536/1,189,567,222.12
  6. Step 6: Final answer
    x = 984,429,040.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.