Home / 1,428,524,561.66-2,143,062,790.99-543,141,080.58

Finding the Fourth Proportional to 1,428,524,561.66, 2,143,062,790.99 and 543,141,080.58

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Solution

The fourth proportional to 1,428,524,561.66, 2,143,062,790.99 and 543,141,080.58 is: 814,816,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,524,561.66 : 2,143,062,790.99 = 543,141,080.58 : x
  2. Step 2: Convert to fraction form
    1,428,524,561.66/2,143,062,790.99 = 543,141,080.58/x
  3. Step 3: Cross multiply
    1,428,524,561.66x = 2,143,062,790.99 × 543,141,080.58
  4. Step 4: Simplify right side
    1,428,524,561.66x = 1,163,985,440,049,099,264
  5. Step 5: Solve for x
    x = 1,163,985,440,049,099,264/1,428,524,561.66
  6. Step 6: Final answer
    x = 814,816,539.59

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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.