Home / 258,774,976.21-388,026,261.79-176,917,264.30

Finding the Fourth Proportional to 258,774,976.21, 388,026,261.79 and 176,917,264.30

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Solution

The fourth proportional to 258,774,976.21, 388,026,261.79 and 176,917,264.30 is: 265,282,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,774,976.21 : 388,026,261.79 = 176,917,264.30 : x
  2. Step 2: Convert to fraction form
    258,774,976.21/388,026,261.79 = 176,917,264.30/x
  3. Step 3: Cross multiply
    258,774,976.21x = 388,026,261.79 × 176,917,264.30
  4. Step 4: Simplify right side
    258,774,976.21x = 68,648,544,710,799,824
  5. Step 5: Solve for x
    x = 68,648,544,710,799,824/258,774,976.21
  6. Step 6: Final answer
    x = 265,282,778.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.