Home / 1,980,223,164.10-2,732,729,718.08-1,088,150,121.46

Finding the Fourth Proportional to 1,980,223,164.10, 2,732,729,718.08 and 1,088,150,121.46

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Solution

The fourth proportional to 1,980,223,164.10, 2,732,729,718.08 and 1,088,150,121.46 is: 1,501,659,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,223,164.10 : 2,732,729,718.08 = 1,088,150,121.46 : x
  2. Step 2: Convert to fraction form
    1,980,223,164.10/2,732,729,718.08 = 1,088,150,121.46/x
  3. Step 3: Cross multiply
    1,980,223,164.10x = 2,732,729,718.08 × 1,088,150,121.46
  4. Step 4: Simplify right side
    1,980,223,164.10x = 2,973,620,174,646,103,552
  5. Step 5: Solve for x
    x = 2,973,620,174,646,103,552/1,980,223,164.10
  6. Step 6: Final answer
    x = 1,501,659,120.32

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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.