Home / 2,143,908,045.30-3,215,862,067.95-763,767,578.10

Finding the Fourth Proportional to 2,143,908,045.30, 3,215,862,067.95 and 763,767,578.10

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Solution

The fourth proportional to 2,143,908,045.30, 3,215,862,067.95 and 763,767,578.10 is: 1,145,651,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,908,045.30 : 3,215,862,067.95 = 763,767,578.10 : x
  2. Step 2: Convert to fraction form
    2,143,908,045.30/3,215,862,067.95 = 763,767,578.10/x
  3. Step 3: Cross multiply
    2,143,908,045.30x = 3,215,862,067.95 × 763,767,578.10
  4. Step 4: Simplify right side
    2,143,908,045.30x = 2,456,171,183,141,829,120
  5. Step 5: Solve for x
    x = 2,456,171,183,141,829,120/2,143,908,045.30
  6. Step 6: Final answer
    x = 1,145,651,367.15

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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.