Home / 1,426,992,003.80-2,140,488,005.70-1,277,338,218.20

Finding the Fourth Proportional to 1,426,992,003.80, 2,140,488,005.70 and 1,277,338,218.20

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Solution

The fourth proportional to 1,426,992,003.80, 2,140,488,005.70 and 1,277,338,218.20 is: 1,916,007,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,992,003.80 : 2,140,488,005.70 = 1,277,338,218.20 : x
  2. Step 2: Convert to fraction form
    1,426,992,003.80/2,140,488,005.70 = 1,277,338,218.20/x
  3. Step 3: Cross multiply
    1,426,992,003.80x = 2,140,488,005.70 × 1,277,338,218.20
  4. Step 4: Simplify right side
    1,426,992,003.80x = 2,734,127,135,279,309,824
  5. Step 5: Solve for x
    x = 2,734,127,135,279,309,824/1,426,992,003.80
  6. Step 6: Final answer
    x = 1,916,007,327.30

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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.