Home / 774,160,851.20-1,161,340,809.60-386,181,996.80

Finding the Fourth Proportional to 774,160,851.20, 1,161,340,809.60 and 386,181,996.80

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Solution

The fourth proportional to 774,160,851.20, 1,161,340,809.60 and 386,181,996.80 is: 579,322,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,160,851.20 : 1,161,340,809.60 = 386,181,996.80 : x
  2. Step 2: Convert to fraction form
    774,160,851.20/1,161,340,809.60 = 386,181,996.80/x
  3. Step 3: Cross multiply
    774,160,851.20x = 1,161,340,809.60 × 386,181,996.80
  4. Step 4: Simplify right side
    774,160,851.20x = 448,488,912,816,656,576
  5. Step 5: Solve for x
    x = 448,488,912,816,656,576/774,160,851.20
  6. Step 6: Final answer
    x = 579,322,646.09

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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.