Home / 541,004,840-746,586,679.20-309,222,808.64

Finding the Fourth Proportional to 541,004,840, 746,586,679.20 and 309,222,808.64

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Solution

The fourth proportional to 541,004,840, 746,586,679.20 and 309,222,808.64 is: 426,727,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,004,840 : 746,586,679.20 = 309,222,808.64 : x
  2. Step 2: Convert to fraction form
    541,004,840/746,586,679.20 = 309,222,808.64/x
  3. Step 3: Cross multiply
    541,004,840x = 746,586,679.20 × 309,222,808.64
  4. Step 4: Simplify right side
    541,004,840x = 230,861,629,835,434,688
  5. Step 5: Solve for x
    x = 230,861,629,835,434,688/541,004,840
  6. Step 6: Final answer
    x = 426,727,475.92

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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.