Home / 1,581,132,433.80-2,181,962,965.47-876,329,917.57

Finding the Fourth Proportional to 1,581,132,433.80, 2,181,962,965.47 and 876,329,917.57

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Solution

The fourth proportional to 1,581,132,433.80, 2,181,962,965.47 and 876,329,917.57 is: 1,209,335,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,132,433.80 : 2,181,962,965.47 = 876,329,917.57 : x
  2. Step 2: Convert to fraction form
    1,581,132,433.80/2,181,962,965.47 = 876,329,917.57/x
  3. Step 3: Cross multiply
    1,581,132,433.80x = 2,181,962,965.47 × 876,329,917.57
  4. Step 4: Simplify right side
    1,581,132,433.80x = 1,912,119,425,671,117,824
  5. Step 5: Solve for x
    x = 1,912,119,425,671,117,824/1,581,132,433.80
  6. Step 6: Final answer
    x = 1,209,335,400.88

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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.