Home / 784,170,825.86-1,175,825,476.35-538,589,249.75

Finding the Fourth Proportional to 784,170,825.86, 1,175,825,476.35 and 538,589,249.75

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Solution

The fourth proportional to 784,170,825.86, 1,175,825,476.35 and 538,589,249.75 is: 807,588,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,170,825.86 : 1,175,825,476.35 = 538,589,249.75 : x
  2. Step 2: Convert to fraction form
    784,170,825.86/1,175,825,476.35 = 538,589,249.75/x
  3. Step 3: Cross multiply
    784,170,825.86x = 1,175,825,476.35 × 538,589,249.75
  4. Step 4: Simplify right side
    784,170,825.86x = 633,286,961,144,282,880
  5. Step 5: Solve for x
    x = 633,286,961,144,282,880/784,170,825.86
  6. Step 6: Final answer
    x = 807,588,015.60

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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.