Home / 1,538,229,424.12-2,122,753,733.16-833,398,923.40

Finding the Fourth Proportional to 1,538,229,424.12, 2,122,753,733.16 and 833,398,923.40

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Solution

The fourth proportional to 1,538,229,424.12, 2,122,753,733.16 and 833,398,923.40 is: 1,150,088,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,229,424.12 : 2,122,753,733.16 = 833,398,923.40 : x
  2. Step 2: Convert to fraction form
    1,538,229,424.12/2,122,753,733.16 = 833,398,923.40/x
  3. Step 3: Cross multiply
    1,538,229,424.12x = 2,122,753,733.16 × 833,398,923.40
  4. Step 4: Simplify right side
    1,538,229,424.12x = 1,769,100,675,858,874,880
  5. Step 5: Solve for x
    x = 1,769,100,675,858,874,880/1,538,229,424.12
  6. Step 6: Final answer
    x = 1,150,088,958.20

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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.