Home / 538,991,824.80-806,976,082.80-523,875,280.80

Finding the Fourth Proportional to 538,991,824.80, 806,976,082.80 and 523,875,280.80

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Solution

The fourth proportional to 538,991,824.80, 806,976,082.80 and 523,875,280.80 is: 784,343,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,991,824.80 : 806,976,082.80 = 523,875,280.80 : x
  2. Step 2: Convert to fraction form
    538,991,824.80/806,976,082.80 = 523,875,280.80/x
  3. Step 3: Cross multiply
    538,991,824.80x = 806,976,082.80 × 523,875,280.80
  4. Step 4: Simplify right side
    538,991,824.80x = 422,754,821,975,734,016
  5. Step 5: Solve for x
    x = 422,754,821,975,734,016/538,991,824.80
  6. Step 6: Final answer
    x = 784,343,662.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.