Home / 15,659,530,639.12-21,610,151,078.28-8,522,995,621.60

Finding the Fourth Proportional to 15,659,530,639.12, 21,610,151,078.28 and 8,522,995,621.60

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Solution

The fourth proportional to 15,659,530,639.12, 21,610,151,078.28 and 8,522,995,621.60 is: 11,761,733,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659,530,639.12 : 21,610,151,078.28 = 8,522,995,621.60 : x
  2. Step 2: Convert to fraction form
    15,659,530,639.12/21,610,151,078.28 = 8,522,995,621.60/x
  3. Step 3: Cross multiply
    15,659,530,639.12x = 21,610,151,078.28 × 8,522,995,621.60
  4. Step 4: Simplify right side
    15,659,530,639.12x = 184,183,223,022,294,958,080
  5. Step 5: Solve for x
    x = 184,183,223,022,294,958,080/15,659,530,639.12
  6. Step 6: Final answer
    x = 11,761,733,302.67

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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.