Home / 256,608,003.80-384,912,005.70-74,873,552.60

Finding the Fourth Proportional to 256,608,003.80, 384,912,005.70 and 74,873,552.60

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Solution

The fourth proportional to 256,608,003.80, 384,912,005.70 and 74,873,552.60 is: 112,310,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,003.80 : 384,912,005.70 = 74,873,552.60 : x
  2. Step 2: Convert to fraction form
    256,608,003.80/384,912,005.70 = 74,873,552.60/x
  3. Step 3: Cross multiply
    256,608,003.80x = 384,912,005.70 × 74,873,552.60
  4. Step 4: Simplify right side
    256,608,003.80x = 28,819,729,305,150,448
  5. Step 5: Solve for x
    x = 28,819,729,305,150,448/256,608,003.80
  6. Step 6: Final answer
    x = 112,310,328.90

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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.