Home / 490,953,960,554.06-677,418,203,617.95-274,146,796,120.01

Finding the Fourth Proportional to 490,953,960,554.06, 677,418,203,617.95 and 274,146,796,120.01

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Solution

The fourth proportional to 490,953,960,554.06, 677,418,203,617.95 and 274,146,796,120.01 is: 378,267,709,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,953,960,554.06 : 677,418,203,617.95 = 274,146,796,120.01 : x
  2. Step 2: Convert to fraction form
    490,953,960,554.06/677,418,203,617.95 = 274,146,796,120.01/x
  3. Step 3: Cross multiply
    490,953,960,554.06x = 677,418,203,617.95 × 274,146,796,120.01
  4. Step 4: Simplify right side
    490,953,960,554.06x = 185,712,030,155,233,556,430,848
  5. Step 5: Solve for x
    x = 185,712,030,155,233,556,430,848/490,953,960,554.06
  6. Step 6: Final answer
    x = 378,267,709,553.97

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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.