Home / 728,604,015.60-1,092,528,109.80-268,305,250.80

Finding the Fourth Proportional to 728,604,015.60, 1,092,528,109.80 and 268,305,250.80

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Solution

The fourth proportional to 728,604,015.60, 1,092,528,109.80 and 268,305,250.80 is: 402,318,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,604,015.60 : 1,092,528,109.80 = 268,305,250.80 : x
  2. Step 2: Convert to fraction form
    728,604,015.60/1,092,528,109.80 = 268,305,250.80/x
  3. Step 3: Cross multiply
    728,604,015.60x = 1,092,528,109.80 × 268,305,250.80
  4. Step 4: Simplify right side
    728,604,015.60x = 293,131,028,505,938,944
  5. Step 5: Solve for x
    x = 293,131,028,505,938,944/728,604,015.60
  6. Step 6: Final answer
    x = 402,318,711.17

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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.