Home / 538,955,866.80-806,922,145.80-523,839,322.80

Finding the Fourth Proportional to 538,955,866.80, 806,922,145.80 and 523,839,322.80

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Solution

The fourth proportional to 538,955,866.80, 806,922,145.80 and 523,839,322.80 is: 784,289,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,955,866.80 : 806,922,145.80 = 523,839,322.80 : x
  2. Step 2: Convert to fraction form
    538,955,866.80/806,922,145.80 = 523,839,322.80/x
  3. Step 3: Cross multiply
    538,955,866.80x = 806,922,145.80 × 523,839,322.80
  4. Step 4: Simplify right side
    538,955,866.80x = 422,697,550,408,194,880
  5. Step 5: Solve for x
    x = 422,697,550,408,194,880/538,955,866.80
  6. Step 6: Final answer
    x = 784,289,728.43

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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.