Home / 451,603,757.80-623,432,156.30-302,870,472.31

Finding the Fourth Proportional to 451,603,757.80, 623,432,156.30 and 302,870,472.31

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Solution

The fourth proportional to 451,603,757.80, 623,432,156.30 and 302,870,472.31 is: 418,108,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,603,757.80 : 623,432,156.30 = 302,870,472.31 : x
  2. Step 2: Convert to fraction form
    451,603,757.80/623,432,156.30 = 302,870,472.31/x
  3. Step 3: Cross multiply
    451,603,757.80x = 623,432,156.30 × 302,870,472.31
  4. Step 4: Simplify right side
    451,603,757.80x = 188,819,191,631,822,720
  5. Step 5: Solve for x
    x = 188,819,191,631,822,720/451,603,757.80
  6. Step 6: Final answer
    x = 418,108,105.55

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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.