Home / 1,274,898,737.96-1,912,904,348.82-446,446,986.92

Finding the Fourth Proportional to 1,274,898,737.96, 1,912,904,348.82 and 446,446,986.92

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Solution

The fourth proportional to 1,274,898,737.96, 1,912,904,348.82 and 446,446,986.92 is: 669,865,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,898,737.96 : 1,912,904,348.82 = 446,446,986.92 : x
  2. Step 2: Convert to fraction form
    1,274,898,737.96/1,912,904,348.82 = 446,446,986.92/x
  3. Step 3: Cross multiply
    1,274,898,737.96x = 1,912,904,348.82 × 446,446,986.92
  4. Step 4: Simplify right side
    1,274,898,737.96x = 854,010,382,796,853,632
  5. Step 5: Solve for x
    x = 854,010,382,796,853,632/1,274,898,737.96
  6. Step 6: Final answer
    x = 669,865,266.45

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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.