Home / 1,239,662,944.09-1,710,812,233.79-682,745,843.53

Finding the Fourth Proportional to 1,239,662,944.09, 1,710,812,233.79 and 682,745,843.53

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Solution

The fourth proportional to 1,239,662,944.09, 1,710,812,233.79 and 682,745,843.53 is: 942,231,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,662,944.09 : 1,710,812,233.79 = 682,745,843.53 : x
  2. Step 2: Convert to fraction form
    1,239,662,944.09/1,710,812,233.79 = 682,745,843.53/x
  3. Step 3: Cross multiply
    1,239,662,944.09x = 1,710,812,233.79 × 682,745,843.53
  4. Step 4: Simplify right side
    1,239,662,944.09x = 1,168,049,941,680,397,056
  5. Step 5: Solve for x
    x = 1,168,049,941,680,397,056/1,239,662,944.09
  6. Step 6: Final answer
    x = 942,231,876.21

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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.