Home / 1,040,821,190.19-1,561,064,260.28-303,718,034.43

Finding the Fourth Proportional to 1,040,821,190.19, 1,561,064,260.28 and 303,718,034.43

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Solution

The fourth proportional to 1,040,821,190.19, 1,561,064,260.28 and 303,718,034.43 is: 455,528,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,821,190.19 : 1,561,064,260.28 = 303,718,034.43 : x
  2. Step 2: Convert to fraction form
    1,040,821,190.19/1,561,064,260.28 = 303,718,034.43/x
  3. Step 3: Cross multiply
    1,040,821,190.19x = 1,561,064,260.28 × 303,718,034.43
  4. Step 4: Simplify right side
    1,040,821,190.19x = 474,123,368,749,644,992
  5. Step 5: Solve for x
    x = 474,123,368,749,644,992/1,040,821,190.19
  6. Step 6: Final answer
    x = 455,528,166.82

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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.