Home / 490,953,960,583.54-677,418,203,658.73-274,146,796,149.52

Finding the Fourth Proportional to 490,953,960,583.54, 677,418,203,658.73 and 274,146,796,149.52

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Solution

The fourth proportional to 490,953,960,583.54, 677,418,203,658.73 and 274,146,796,149.52 is: 378,267,709,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,953,960,583.54 : 677,418,203,658.73 = 274,146,796,149.52 : x
  2. Step 2: Convert to fraction form
    490,953,960,583.54/677,418,203,658.73 = 274,146,796,149.52/x
  3. Step 3: Cross multiply
    490,953,960,583.54x = 677,418,203,658.73 × 274,146,796,149.52
  4. Step 4: Simplify right side
    490,953,960,583.54x = 185,712,030,186,403,878,928,384
  5. Step 5: Solve for x
    x = 185,712,030,186,403,878,928,384/490,953,960,583.54
  6. Step 6: Final answer
    x = 378,267,709,594.74

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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.