Home / 5,218,831,751.88-7,201,988,867.70-2,871,988,295.88

Finding the Fourth Proportional to 5,218,831,751.88, 7,201,988,867.70 and 2,871,988,295.88

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Solution

The fourth proportional to 5,218,831,751.88, 7,201,988,867.70 and 2,871,988,295.88 is: 3,963,344,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,831,751.88 : 7,201,988,867.70 = 2,871,988,295.88 : x
  2. Step 2: Convert to fraction form
    5,218,831,751.88/7,201,988,867.70 = 2,871,988,295.88/x
  3. Step 3: Cross multiply
    5,218,831,751.88x = 7,201,988,867.70 × 2,871,988,295.88
  4. Step 4: Simplify right side
    5,218,831,751.88x = 20,684,027,735,092,453,376
  5. Step 5: Solve for x
    x = 20,684,027,735,092,453,376/5,218,831,751.88
  6. Step 6: Final answer
    x = 3,963,344,426.20

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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.