Home / 1,980,223,165.10-2,732,729,719.46-1,088,150,122.46

Finding the Fourth Proportional to 1,980,223,165.10, 2,732,729,719.46 and 1,088,150,122.46

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Solution

The fourth proportional to 1,980,223,165.10, 2,732,729,719.46 and 1,088,150,122.46 is: 1,501,659,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,223,165.10 : 2,732,729,719.46 = 1,088,150,122.46 : x
  2. Step 2: Convert to fraction form
    1,980,223,165.10/2,732,729,719.46 = 1,088,150,122.46/x
  3. Step 3: Cross multiply
    1,980,223,165.10x = 2,732,729,719.46 × 1,088,150,122.46
  4. Step 4: Simplify right side
    1,980,223,165.10x = 2,973,620,178,880,480,768
  5. Step 5: Solve for x
    x = 2,973,620,178,880,480,768/1,980,223,165.10
  6. Step 6: Final answer
    x = 1,501,659,121.70

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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.