Home / 449,484,172.80-620,338,498.56-253,926,481.92

Finding the Fourth Proportional to 449,484,172.80, 620,338,498.56 and 253,926,481.92

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Solution

The fourth proportional to 449,484,172.80, 620,338,498.56 and 253,926,481.92 is: 350,446,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,484,172.80 : 620,338,498.56 = 253,926,481.92 : x
  2. Step 2: Convert to fraction form
    449,484,172.80/620,338,498.56 = 253,926,481.92/x
  3. Step 3: Cross multiply
    449,484,172.80x = 620,338,498.56 × 253,926,481.92
  4. Step 4: Simplify right side
    449,484,172.80x = 157,520,372,538,875,776
  5. Step 5: Solve for x
    x = 157,520,372,538,875,776/449,484,172.80
  6. Step 6: Final answer
    x = 350,446,983.61

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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.