Home / 275,283,042.70-412,924,564.05-193,494,272.80

Finding the Fourth Proportional to 275,283,042.70, 412,924,564.05 and 193,494,272.80

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Solution

The fourth proportional to 275,283,042.70, 412,924,564.05 and 193,494,272.80 is: 290,241,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,283,042.70 : 412,924,564.05 = 193,494,272.80 : x
  2. Step 2: Convert to fraction form
    275,283,042.70/412,924,564.05 = 193,494,272.80/x
  3. Step 3: Cross multiply
    275,283,042.70x = 412,924,564.05 × 193,494,272.80
  4. Step 4: Simplify right side
    275,283,042.70x = 79,898,538,242,111,776
  5. Step 5: Solve for x
    x = 79,898,538,242,111,776/275,283,042.70
  6. Step 6: Final answer
    x = 290,241,409.20

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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.