Home / 1,991,037,212.73-2,747,221,165.49-1,144,100,895.21

Finding the Fourth Proportional to 1,991,037,212.73, 2,747,221,165.49 and 1,144,100,895.21

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Solution

The fourth proportional to 1,991,037,212.73, 2,747,221,165.49 and 1,144,100,895.21 is: 1,578,623,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,037,212.73 : 2,747,221,165.49 = 1,144,100,895.21 : x
  2. Step 2: Convert to fraction form
    1,991,037,212.73/2,747,221,165.49 = 1,144,100,895.21/x
  3. Step 3: Cross multiply
    1,991,037,212.73x = 2,747,221,165.49 × 1,144,100,895.21
  4. Step 4: Simplify right side
    1,991,037,212.73x = 3,143,098,194,771,248,128
  5. Step 5: Solve for x
    x = 3,143,098,194,771,248,128/1,991,037,212.73
  6. Step 6: Final answer
    x = 1,578,623,530.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.