Home / 13,269,360,928.36-18,311,609,257.12-7,247,870,172.32

Finding the Fourth Proportional to 13,269,360,928.36, 18,311,609,257.12 and 7,247,870,172.32

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Solution

The fourth proportional to 13,269,360,928.36, 18,311,609,257.12 and 7,247,870,172.32 is: 10,002,001,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,360,928.36 : 18,311,609,257.12 = 7,247,870,172.32 : x
  2. Step 2: Convert to fraction form
    13,269,360,928.36/18,311,609,257.12 = 7,247,870,172.32/x
  3. Step 3: Cross multiply
    13,269,360,928.36x = 18,311,609,257.12 × 7,247,870,172.32
  4. Step 4: Simplify right side
    13,269,360,928.36x = 132,720,166,541,858,832,384
  5. Step 5: Solve for x
    x = 132,720,166,541,858,832,384/13,269,360,928.36
  6. Step 6: Final answer
    x = 10,002,001,396.93

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1.5x scale

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.