Home / 457,722,811.52-631,653,088.92-248,878,997.36

Finding the Fourth Proportional to 457,722,811.52, 631,653,088.92 and 248,878,997.36

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Solution

The fourth proportional to 457,722,811.52, 631,653,088.92 and 248,878,997.36 is: 343,450,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,722,811.52 : 631,653,088.92 = 248,878,997.36 : x
  2. Step 2: Convert to fraction form
    457,722,811.52/631,653,088.92 = 248,878,997.36/x
  3. Step 3: Cross multiply
    457,722,811.52x = 631,653,088.92 × 248,878,997.36
  4. Step 4: Simplify right side
    457,722,811.52x = 157,205,187,449,756,512
  5. Step 5: Solve for x
    x = 157,205,187,449,756,512/457,722,811.52
  6. Step 6: Final answer
    x = 343,450,628.84

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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.