Home / 1,581,132,426.92-2,181,962,955.97-876,329,910.69

Finding the Fourth Proportional to 1,581,132,426.92, 2,181,962,955.97 and 876,329,910.69

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Solution

The fourth proportional to 1,581,132,426.92, 2,181,962,955.97 and 876,329,910.69 is: 1,209,335,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,132,426.92 : 2,181,962,955.97 = 876,329,910.69 : x
  2. Step 2: Convert to fraction form
    1,581,132,426.92/2,181,962,955.97 = 876,329,910.69/x
  3. Step 3: Cross multiply
    1,581,132,426.92x = 2,181,962,955.97 × 876,329,910.69
  4. Step 4: Simplify right side
    1,581,132,426.92x = 1,912,119,402,327,035,392
  5. Step 5: Solve for x
    x = 1,912,119,402,327,035,392/1,581,132,426.92
  6. Step 6: Final answer
    x = 1,209,335,391.38

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Half scale
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Double scale
Find fourth proportional to 1,581,132,427.92, 2,181,962,957.35 and 876,329,911.69
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1.5x scale

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.