Home / 1,368,792,062.10-2,053,188,093.15-1,320,419,121.30

Finding the Fourth Proportional to 1,368,792,062.10, 2,053,188,093.15 and 1,320,419,121.30

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Solution

The fourth proportional to 1,368,792,062.10, 2,053,188,093.15 and 1,320,419,121.30 is: 1,980,628,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,792,062.10 : 2,053,188,093.15 = 1,320,419,121.30 : x
  2. Step 2: Convert to fraction form
    1,368,792,062.10/2,053,188,093.15 = 1,320,419,121.30/x
  3. Step 3: Cross multiply
    1,368,792,062.10x = 2,053,188,093.15 × 1,320,419,121.30
  4. Step 4: Simplify right side
    1,368,792,062.10x = 2,711,068,817,820,745,728
  5. Step 5: Solve for x
    x = 2,711,068,817,820,745,728/1,368,792,062.10
  6. Step 6: Final answer
    x = 1,980,628,681.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.