Home / 15,321,522,692.16-21,143,691,765-8,280,992,324.16

Finding the Fourth Proportional to 15,321,522,692.16, 21,143,691,765 and 8,280,992,324.16

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Solution

The fourth proportional to 15,321,522,692.16, 21,143,691,765 and 8,280,992,324.16 is: 11,427,764,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321,522,692.16 : 21,143,691,765 = 8,280,992,324.16 : x
  2. Step 2: Convert to fraction form
    15,321,522,692.16/21,143,691,765 = 8,280,992,324.16/x
  3. Step 3: Cross multiply
    15,321,522,692.16x = 21,143,691,765 × 8,280,992,324.16
  4. Step 4: Simplify right side
    15,321,522,692.16x = 175,090,749,210,370,015,232
  5. Step 5: Solve for x
    x = 175,090,749,210,370,015,232/15,321,522,692.16
  6. Step 6: Final answer
    x = 11,427,764,245.65

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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.