Home / 6,630,427,025.52-9,149,942,748.09-3,619,679,727.21

Finding the Fourth Proportional to 6,630,427,025.52, 9,149,942,748.09 and 3,619,679,727.21

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Solution

The fourth proportional to 6,630,427,025.52, 9,149,942,748.09 and 3,619,679,727.21 is: 4,995,132,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,427,025.52 : 9,149,942,748.09 = 3,619,679,727.21 : x
  2. Step 2: Convert to fraction form
    6,630,427,025.52/9,149,942,748.09 = 3,619,679,727.21/x
  3. Step 3: Cross multiply
    6,630,427,025.52x = 9,149,942,748.09 × 3,619,679,727.21
  4. Step 4: Simplify right side
    6,630,427,025.52x = 33,119,862,270,393,528,320
  5. Step 5: Solve for x
    x = 33,119,862,270,393,528,320/6,630,427,025.52
  6. Step 6: Final answer
    x = 4,995,132,612.56

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Double scale
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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.