Home / 1,603,372,956.33-2,211,868,401-1,391,382,248.61

Finding the Fourth Proportional to 1,603,372,956.33, 2,211,868,401 and 1,391,382,248.61

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Solution

The fourth proportional to 1,603,372,956.33, 2,211,868,401 and 1,391,382,248.61 is: 1,919,425,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,372,956.33 : 2,211,868,401 = 1,391,382,248.61 : x
  2. Step 2: Convert to fraction form
    1,603,372,956.33/2,211,868,401 = 1,391,382,248.61/x
  3. Step 3: Cross multiply
    1,603,372,956.33x = 2,211,868,401 × 1,391,382,248.61
  4. Step 4: Simplify right side
    1,603,372,956.33x = 3,077,554,429,412,785,152
  5. Step 5: Solve for x
    x = 3,077,554,429,412,785,152/1,603,372,956.33
  6. Step 6: Final answer
    x = 1,919,425,182.56

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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.