Home / 1,491,197,672.43-2,236,437,785.96-456,067,521.45

Finding the Fourth Proportional to 1,491,197,672.43, 2,236,437,785.96 and 456,067,521.45

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Solution

The fourth proportional to 1,491,197,672.43, 2,236,437,785.96 and 456,067,521.45 is: 683,991,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,197,672.43 : 2,236,437,785.96 = 456,067,521.45 : x
  2. Step 2: Convert to fraction form
    1,491,197,672.43/2,236,437,785.96 = 456,067,521.45/x
  3. Step 3: Cross multiply
    1,491,197,672.43x = 2,236,437,785.96 × 456,067,521.45
  4. Step 4: Simplify right side
    1,491,197,672.43x = 1,019,966,637,926,916,864
  5. Step 5: Solve for x
    x = 1,019,966,637,926,916,864/1,491,197,672.43
  6. Step 6: Final answer
    x = 683,991,570.52

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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.