Home / 2,213,867,133.52-3,055,172,960.64-1,321,871,799.04

Finding the Fourth Proportional to 2,213,867,133.52, 3,055,172,960.64 and 1,321,871,799.04

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Solution

The fourth proportional to 2,213,867,133.52, 3,055,172,960.64 and 1,321,871,799.04 is: 1,824,204,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,867,133.52 : 3,055,172,960.64 = 1,321,871,799.04 : x
  2. Step 2: Convert to fraction form
    2,213,867,133.52/3,055,172,960.64 = 1,321,871,799.04/x
  3. Step 3: Cross multiply
    2,213,867,133.52x = 3,055,172,960.64 × 1,321,871,799.04
  4. Step 4: Simplify right side
    2,213,867,133.52x = 4,038,546,977,859,559,424
  5. Step 5: Solve for x
    x = 4,038,546,977,859,559,424/2,213,867,133.52
  6. Step 6: Final answer
    x = 1,824,204,766.72

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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.