Home / 407,904,659.66-562,890,828.39-231,692,106.44

Finding the Fourth Proportional to 407,904,659.66, 562,890,828.39 and 231,692,106.44

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Solution

The fourth proportional to 407,904,659.66, 562,890,828.39 and 231,692,106.44 is: 319,725,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,904,659.66 : 562,890,828.39 = 231,692,106.44 : x
  2. Step 2: Convert to fraction form
    407,904,659.66/562,890,828.39 = 231,692,106.44/x
  3. Step 3: Cross multiply
    407,904,659.66x = 562,890,828.39 × 231,692,106.44
  4. Step 4: Simplify right side
    407,904,659.66x = 130,417,361,725,974,032
  5. Step 5: Solve for x
    x = 130,417,361,725,974,032/407,904,659.66
  6. Step 6: Final answer
    x = 319,725,108.89

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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.