Home / 1,980,193,942-2,729,937,084.72-1,579,667,114.35

Finding the Fourth Proportional to 1,980,193,942, 2,729,937,084.72 and 1,579,667,114.35

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Solution

The fourth proportional to 1,980,193,942, 2,729,937,084.72 and 1,579,667,114.35 is: 2,177,762,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,193,942 : 2,729,937,084.72 = 1,579,667,114.35 : x
  2. Step 2: Convert to fraction form
    1,980,193,942/2,729,937,084.72 = 1,579,667,114.35/x
  3. Step 3: Cross multiply
    1,980,193,942x = 2,729,937,084.72 × 1,579,667,114.35
  4. Step 4: Simplify right side
    1,980,193,942x = 4,312,391,836,976,693,248
  5. Step 5: Solve for x
    x = 4,312,391,836,976,693,248/1,980,193,942
  6. Step 6: Final answer
    x = 2,177,762,362.32

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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.