Home / 78,928,158,908.92-118,399,198,326.83-22,268,517,737.87

Finding the Fourth Proportional to 78,928,158,908.92, 118,399,198,326.83 and 22,268,517,737.87

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Solution

The fourth proportional to 78,928,158,908.92, 118,399,198,326.83 and 22,268,517,737.87 is: 33,404,740,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,928,158,908.92 : 118,399,198,326.83 = 22,268,517,737.87 : x
  2. Step 2: Convert to fraction form
    78,928,158,908.92/118,399,198,326.83 = 22,268,517,737.87/x
  3. Step 3: Cross multiply
    78,928,158,908.92x = 118,399,198,326.83 × 22,268,517,737.87
  4. Step 4: Simplify right side
    78,928,158,908.92x = 2,636,574,648,090,601,979,904
  5. Step 5: Solve for x
    x = 2,636,574,648,090,601,979,904/78,928,158,908.92
  6. Step 6: Final answer
    x = 33,404,740,266.82

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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.