Home / 1,775,190,620.20-2,662,785,930.30-740,793,857.80

Finding the Fourth Proportional to 1,775,190,620.20, 2,662,785,930.30 and 740,793,857.80

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Solution

The fourth proportional to 1,775,190,620.20, 2,662,785,930.30 and 740,793,857.80 is: 1,111,190,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,190,620.20 : 2,662,785,930.30 = 740,793,857.80 : x
  2. Step 2: Convert to fraction form
    1,775,190,620.20/2,662,785,930.30 = 740,793,857.80/x
  3. Step 3: Cross multiply
    1,775,190,620.20x = 2,662,785,930.30 × 740,793,857.80
  4. Step 4: Simplify right side
    1,775,190,620.20x = 1,972,575,461,802,498,816
  5. Step 5: Solve for x
    x = 1,972,575,461,802,498,816/1,775,190,620.20
  6. Step 6: Final answer
    x = 1,111,190,786.70

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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.