Home / 2,978,670,320.36-4,110,751,723.54-1,640,560,144.04

Finding the Fourth Proportional to 2,978,670,320.36, 4,110,751,723.54 and 1,640,560,144.04

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Solution

The fourth proportional to 2,978,670,320.36, 4,110,751,723.54 and 1,640,560,144.04 is: 2,264,075,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,670,320.36 : 4,110,751,723.54 = 1,640,560,144.04 : x
  2. Step 2: Convert to fraction form
    2,978,670,320.36/4,110,751,723.54 = 1,640,560,144.04/x
  3. Step 3: Cross multiply
    2,978,670,320.36x = 4,110,751,723.54 × 1,640,560,144.04
  4. Step 4: Simplify right side
    2,978,670,320.36x = 6,743,935,439,654,704,128
  5. Step 5: Solve for x
    x = 6,743,935,439,654,704,128/2,978,670,320.36
  6. Step 6: Final answer
    x = 2,264,075,817.18

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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.