Home / 275,348,872.80-412,066,715.40-252,390,621.60

Finding the Fourth Proportional to 275,348,872.80, 412,066,715.40 and 252,390,621.60

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Solution

The fourth proportional to 275,348,872.80, 412,066,715.40 and 252,390,621.60 is: 377,709,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,348,872.80 : 412,066,715.40 = 252,390,621.60 : x
  2. Step 2: Convert to fraction form
    275,348,872.80/412,066,715.40 = 252,390,621.60/x
  3. Step 3: Cross multiply
    275,348,872.80x = 412,066,715.40 × 252,390,621.60
  4. Step 4: Simplify right side
    275,348,872.80x = 104,001,774,440,476,288
  5. Step 5: Solve for x
    x = 104,001,774,440,476,288/275,348,872.80
  6. Step 6: Final answer
    x = 377,709,098.22

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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.