Home / 490,953,960,581.40-677,418,203,655.80-274,146,796,147.39

Finding the Fourth Proportional to 490,953,960,581.40, 677,418,203,655.80 and 274,146,796,147.39

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Solution

The fourth proportional to 490,953,960,581.40, 677,418,203,655.80 and 274,146,796,147.39 is: 378,267,709,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,953,960,581.40 : 677,418,203,655.80 = 274,146,796,147.39 : x
  2. Step 2: Convert to fraction form
    490,953,960,581.40/677,418,203,655.80 = 274,146,796,147.39/x
  3. Step 3: Cross multiply
    490,953,960,581.40x = 677,418,203,655.80 × 274,146,796,147.39
  4. Step 4: Simplify right side
    490,953,960,581.40x = 185,712,030,184,157,745,250,304
  5. Step 5: Solve for x
    x = 185,712,030,184,157,745,250,304/490,953,960,581.40
  6. Step 6: Final answer
    x = 378,267,709,591.82

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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.