Home / 1,820,288,119.76-2,511,995,979.72-1,027,500,973.52

Finding the Fourth Proportional to 1,820,288,119.76, 2,511,995,979.72 and 1,027,500,973.52

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Solution

The fourth proportional to 1,820,288,119.76, 2,511,995,979.72 and 1,027,500,973.52 is: 1,417,950,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,288,119.76 : 2,511,995,979.72 = 1,027,500,973.52 : x
  2. Step 2: Convert to fraction form
    1,820,288,119.76/2,511,995,979.72 = 1,027,500,973.52/x
  3. Step 3: Cross multiply
    1,820,288,119.76x = 2,511,995,979.72 × 1,027,500,973.52
  4. Step 4: Simplify right side
    1,820,288,119.76x = 2,581,078,314,640,625,664
  5. Step 5: Solve for x
    x = 2,581,078,314,640,625,664/1,820,288,119.76
  6. Step 6: Final answer
    x = 1,417,950,425.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.