Home / 728,161,910.15-1,005,136,700.94-477,282,469.50

Finding the Fourth Proportional to 728,161,910.15, 1,005,136,700.94 and 477,282,469.50

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Solution

The fourth proportional to 728,161,910.15, 1,005,136,700.94 and 477,282,469.50 is: 658,828,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,161,910.15 : 1,005,136,700.94 = 477,282,469.50 : x
  2. Step 2: Convert to fraction form
    728,161,910.15/1,005,136,700.94 = 477,282,469.50/x
  3. Step 3: Cross multiply
    728,161,910.15x = 1,005,136,700.94 × 477,282,469.50
  4. Step 4: Simplify right side
    728,161,910.15x = 479,734,126,809,726,208
  5. Step 5: Solve for x
    x = 479,734,126,809,726,208/728,161,910.15
  6. Step 6: Final answer
    x = 658,828,922.70

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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.