Home / 256,608,001.80-384,912,002.70-74,873,550.60

Finding the Fourth Proportional to 256,608,001.80, 384,912,002.70 and 74,873,550.60

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Solution

The fourth proportional to 256,608,001.80, 384,912,002.70 and 74,873,550.60 is: 112,310,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,001.80 : 384,912,002.70 = 74,873,550.60 : x
  2. Step 2: Convert to fraction form
    256,608,001.80/384,912,002.70 = 74,873,550.60/x
  3. Step 3: Cross multiply
    256,608,001.80x = 384,912,002.70 × 74,873,550.60
  4. Step 4: Simplify right side
    256,608,001.80x = 28,819,728,310,705,784
  5. Step 5: Solve for x
    x = 28,819,728,310,705,784/256,608,001.80
  6. Step 6: Final answer
    x = 112,310,325.90

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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.