Home / 407,904,657.98-562,890,826.06-231,692,104.76

Finding the Fourth Proportional to 407,904,657.98, 562,890,826.06 and 231,692,104.76

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Solution

The fourth proportional to 407,904,657.98, 562,890,826.06 and 231,692,104.76 is: 319,725,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,904,657.98 : 562,890,826.06 = 231,692,104.76 : x
  2. Step 2: Convert to fraction form
    407,904,657.98/562,890,826.06 = 231,692,104.76/x
  3. Step 3: Cross multiply
    407,904,657.98x = 562,890,826.06 × 231,692,104.76
  4. Step 4: Simplify right side
    407,904,657.98x = 130,417,360,236,542,768
  5. Step 5: Solve for x
    x = 130,417,360,236,542,768/407,904,657.98
  6. Step 6: Final answer
    x = 319,725,106.56

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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.