Home / 13,856,831,999.80-20,785,247,999.70-3,517,115,903.80

Finding the Fourth Proportional to 13,856,831,999.80, 20,785,247,999.70 and 3,517,115,903.80

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Solution

The fourth proportional to 13,856,831,999.80, 20,785,247,999.70 and 3,517,115,903.80 is: 5,275,673,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,831,999.80 : 20,785,247,999.70 = 3,517,115,903.80 : x
  2. Step 2: Convert to fraction form
    13,856,831,999.80/20,785,247,999.70 = 3,517,115,903.80/x
  3. Step 3: Cross multiply
    13,856,831,999.80x = 20,785,247,999.70 × 3,517,115,903.80
  4. Step 4: Simplify right side
    13,856,831,999.80x = 73,104,126,304,172,015,616
  5. Step 5: Solve for x
    x = 73,104,126,304,172,015,616/13,856,831,999.80
  6. Step 6: Final answer
    x = 5,275,673,855.70

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1.5x scale

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.