Home / 15,193,460,840.68-20,967,099,066.66-8,419,392,572.52

Finding the Fourth Proportional to 15,193,460,840.68, 20,967,099,066.66 and 8,419,392,572.52

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Solution

The fourth proportional to 15,193,460,840.68, 20,967,099,066.66 and 8,419,392,572.52 is: 11,618,829,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,460,840.68 : 20,967,099,066.66 = 8,419,392,572.52 : x
  2. Step 2: Convert to fraction form
    15,193,460,840.68/20,967,099,066.66 = 8,419,392,572.52/x
  3. Step 3: Cross multiply
    15,193,460,840.68x = 20,967,099,066.66 × 8,419,392,572.52
  4. Step 4: Simplify right side
    15,193,460,840.68x = 176,530,238,149,128,224,768
  5. Step 5: Solve for x
    x = 176,530,238,149,128,224,768/15,193,460,840.68
  6. Step 6: Final answer
    x = 11,618,829,969.04

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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.