Home / 1,173,619,260.80-1,760,428,891.20-561,399,228.80

Finding the Fourth Proportional to 1,173,619,260.80, 1,760,428,891.20 and 561,399,228.80

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Solution

The fourth proportional to 1,173,619,260.80, 1,760,428,891.20 and 561,399,228.80 is: 842,098,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,619,260.80 : 1,760,428,891.20 = 561,399,228.80 : x
  2. Step 2: Convert to fraction form
    1,173,619,260.80/1,760,428,891.20 = 561,399,228.80/x
  3. Step 3: Cross multiply
    1,173,619,260.80x = 1,760,428,891.20 × 561,399,228.80
  4. Step 4: Simplify right side
    1,173,619,260.80x = 988,303,421,876,919,040
  5. Step 5: Solve for x
    x = 988,303,421,876,919,040/1,173,619,260.80
  6. Step 6: Final answer
    x = 842,098,843.20

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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.