Home / 320,674,430.30-481,011,645.45-274,757,927.90

Finding the Fourth Proportional to 320,674,430.30, 481,011,645.45 and 274,757,927.90

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Solution

The fourth proportional to 320,674,430.30, 481,011,645.45 and 274,757,927.90 is: 412,136,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,674,430.30 : 481,011,645.45 = 274,757,927.90 : x
  2. Step 2: Convert to fraction form
    320,674,430.30/481,011,645.45 = 274,757,927.90/x
  3. Step 3: Cross multiply
    320,674,430.30x = 481,011,645.45 × 274,757,927.90
  4. Step 4: Simplify right side
    320,674,430.30x = 132,161,762,999,611,456
  5. Step 5: Solve for x
    x = 132,161,762,999,611,456/320,674,430.30
  6. Step 6: Final answer
    x = 412,136,891.85

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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.