Home / 490,953,960,552.80-677,418,203,616.20-274,146,796,118.75

Finding the Fourth Proportional to 490,953,960,552.80, 677,418,203,616.20 and 274,146,796,118.75

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Solution

The fourth proportional to 490,953,960,552.80, 677,418,203,616.20 and 274,146,796,118.75 is: 378,267,709,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,953,960,552.80 : 677,418,203,616.20 = 274,146,796,118.75 : x
  2. Step 2: Convert to fraction form
    490,953,960,552.80/677,418,203,616.20 = 274,146,796,118.75/x
  3. Step 3: Cross multiply
    490,953,960,552.80x = 677,418,203,616.20 × 274,146,796,118.75
  4. Step 4: Simplify right side
    490,953,960,552.80x = 185,712,030,153,900,237,520,896
  5. Step 5: Solve for x
    x = 185,712,030,153,900,237,520,896/490,953,960,552.80
  6. Step 6: Final answer
    x = 378,267,709,552.22

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Double scale
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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.