Home / 825,990,115.49-1,239,019,364.00-243,724,361.39

Finding the Fourth Proportional to 825,990,115.49, 1,239,019,364.00 and 243,724,361.39

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Solution

The fourth proportional to 825,990,115.49, 1,239,019,364.00 and 243,724,361.39 is: 365,596,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,990,115.49 : 1,239,019,364.00 = 243,724,361.39 : x
  2. Step 2: Convert to fraction form
    825,990,115.49/1,239,019,364.00 = 243,724,361.39/x
  3. Step 3: Cross multiply
    825,990,115.49x = 1,239,019,364.00 × 243,724,361.39
  4. Step 4: Simplify right side
    825,990,115.49x = 301,979,203,235,158,144
  5. Step 5: Solve for x
    x = 301,979,203,235,158,144/825,990,115.49
  6. Step 6: Final answer
    x = 365,596,630.73

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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.