Home / 809,463,825.53-1,117,067,780.46-474,942,039.47

Finding the Fourth Proportional to 809,463,825.53, 1,117,067,780.46 and 474,942,039.47

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Solution

The fourth proportional to 809,463,825.53, 1,117,067,780.46 and 474,942,039.47 is: 655,424,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,463,825.53 : 1,117,067,780.46 = 474,942,039.47 : x
  2. Step 2: Convert to fraction form
    809,463,825.53/1,117,067,780.46 = 474,942,039.47/x
  3. Step 3: Cross multiply
    809,463,825.53x = 1,117,067,780.46 × 474,942,039.47
  4. Step 4: Simplify right side
    809,463,825.53x = 530,542,449,872,313,280
  5. Step 5: Solve for x
    x = 530,542,449,872,313,280/809,463,825.53
  6. Step 6: Final answer
    x = 655,424,533.06

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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.