Home / 1,259,729,101.80-1,889,593,652.70-741,892,991.40

Finding the Fourth Proportional to 1,259,729,101.80, 1,889,593,652.70 and 741,892,991.40

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Solution

The fourth proportional to 1,259,729,101.80, 1,889,593,652.70 and 741,892,991.40 is: 1,112,839,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,729,101.80 : 1,889,593,652.70 = 741,892,991.40 : x
  2. Step 2: Convert to fraction form
    1,259,729,101.80/1,889,593,652.70 = 741,892,991.40/x
  3. Step 3: Cross multiply
    1,259,729,101.80x = 1,889,593,652.70 × 741,892,991.40
  4. Step 4: Simplify right side
    1,259,729,101.80x = 1,401,876,287,532,055,552
  5. Step 5: Solve for x
    x = 1,401,876,287,532,055,552/1,259,729,101.80
  6. Step 6: Final answer
    x = 1,112,839,487.10

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Double scale
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1.5x scale

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.