Home / 1,586,264,542.74-2,189,094,343.29-871,787,131.56

Finding the Fourth Proportional to 1,586,264,542.74, 2,189,094,343.29 and 871,787,131.56

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Solution

The fourth proportional to 1,586,264,542.74, 2,189,094,343.29 and 871,787,131.56 is: 1,203,093,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,264,542.74 : 2,189,094,343.29 = 871,787,131.56 : x
  2. Step 2: Convert to fraction form
    1,586,264,542.74/2,189,094,343.29 = 871,787,131.56/x
  3. Step 3: Cross multiply
    1,586,264,542.74x = 2,189,094,343.29 × 871,787,131.56
  4. Step 4: Simplify right side
    1,586,264,542.74x = 1,908,424,278,251,010,816
  5. Step 5: Solve for x
    x = 1,908,424,278,251,010,816/1,586,264,542.74
  6. Step 6: Final answer
    x = 1,203,093,321.97

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Double scale
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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.