Home / 728,604,015.10-1,092,528,109.05-268,305,250.30

Finding the Fourth Proportional to 728,604,015.10, 1,092,528,109.05 and 268,305,250.30

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Solution

The fourth proportional to 728,604,015.10, 1,092,528,109.05 and 268,305,250.30 is: 402,318,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,604,015.10 : 1,092,528,109.05 = 268,305,250.30 : x
  2. Step 2: Convert to fraction form
    728,604,015.10/1,092,528,109.05 = 268,305,250.30/x
  3. Step 3: Cross multiply
    728,604,015.10x = 1,092,528,109.05 × 268,305,250.30
  4. Step 4: Simplify right side
    728,604,015.10x = 293,131,027,758,445,952
  5. Step 5: Solve for x
    x = 293,131,027,758,445,952/728,604,015.10
  6. Step 6: Final answer
    x = 402,318,710.42

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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.