Home / 728,275,294.70-1,092,412,942.05-644,095,040.30

Finding the Fourth Proportional to 728,275,294.70, 1,092,412,942.05 and 644,095,040.30

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Solution

The fourth proportional to 728,275,294.70, 1,092,412,942.05 and 644,095,040.30 is: 966,142,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,275,294.70 : 1,092,412,942.05 = 644,095,040.30 : x
  2. Step 2: Convert to fraction form
    728,275,294.70/1,092,412,942.05 = 644,095,040.30/x
  3. Step 3: Cross multiply
    728,275,294.70x = 1,092,412,942.05 × 644,095,040.30
  4. Step 4: Simplify right side
    728,275,294.70x = 703,617,757,933,936,256
  5. Step 5: Solve for x
    x = 703,617,757,933,936,256/728,275,294.70
  6. Step 6: Final answer
    x = 966,142,560.45

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1.5x scale

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.