Home / 1,197,542,790.80-1,796,314,186.20-679,773,165.20

Finding the Fourth Proportional to 1,197,542,790.80, 1,796,314,186.20 and 679,773,165.20

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Solution

The fourth proportional to 1,197,542,790.80, 1,796,314,186.20 and 679,773,165.20 is: 1,019,659,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,542,790.80 : 1,796,314,186.20 = 679,773,165.20 : x
  2. Step 2: Convert to fraction form
    1,197,542,790.80/1,796,314,186.20 = 679,773,165.20/x
  3. Step 3: Cross multiply
    1,197,542,790.80x = 1,796,314,186.20 × 679,773,165.20
  4. Step 4: Simplify right side
    1,197,542,790.80x = 1,221,086,180,046,836,224
  5. Step 5: Solve for x
    x = 1,221,086,180,046,836,224/1,197,542,790.80
  6. Step 6: Final answer
    x = 1,019,659,747.80

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Double scale
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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.