Home / 2,159,391,075.96-2,979,970,704.33-1,206,787,712.81

Finding the Fourth Proportional to 2,159,391,075.96, 2,979,970,704.33 and 1,206,787,712.81

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Solution

The fourth proportional to 2,159,391,075.96, 2,979,970,704.33 and 1,206,787,712.81 is: 1,665,373,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,391,075.96 : 2,979,970,704.33 = 1,206,787,712.81 : x
  2. Step 2: Convert to fraction form
    2,159,391,075.96/2,979,970,704.33 = 1,206,787,712.81/x
  3. Step 3: Cross multiply
    2,159,391,075.96x = 2,979,970,704.33 × 1,206,787,712.81
  4. Step 4: Simplify right side
    2,159,391,075.96x = 3,596,192,030,504,305,664
  5. Step 5: Solve for x
    x = 3,596,192,030,504,305,664/2,159,391,075.96
  6. Step 6: Final answer
    x = 1,665,373,201.98

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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.