Home / 2,116,521,729.51-3,174,577,448.82-642,674,493.75

Finding the Fourth Proportional to 2,116,521,729.51, 3,174,577,448.82 and 642,674,493.75

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Solution

The fourth proportional to 2,116,521,729.51, 3,174,577,448.82 and 642,674,493.75 is: 963,949,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,521,729.51 : 3,174,577,448.82 = 642,674,493.75 : x
  2. Step 2: Convert to fraction form
    2,116,521,729.51/3,174,577,448.82 = 642,674,493.75/x
  3. Step 3: Cross multiply
    2,116,521,729.51x = 3,174,577,448.82 × 642,674,493.75
  4. Step 4: Simplify right side
    2,116,521,729.51x = 2,040,219,954,790,560,256
  5. Step 5: Solve for x
    x = 2,040,219,954,790,560,256/2,116,521,729.51
  6. Step 6: Final answer
    x = 963,949,448.92

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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.