Home / 445,189,572.53-667,784,379.56-304,991,783.08

Finding the Fourth Proportional to 445,189,572.53, 667,784,379.56 and 304,991,783.08

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Solution

The fourth proportional to 445,189,572.53, 667,784,379.56 and 304,991,783.08 is: 457,487,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,189,572.53 : 667,784,379.56 = 304,991,783.08 : x
  2. Step 2: Convert to fraction form
    445,189,572.53/667,784,379.56 = 304,991,783.08/x
  3. Step 3: Cross multiply
    445,189,572.53x = 667,784,379.56 × 304,991,783.08
  4. Step 4: Simplify right side
    445,189,572.53x = 203,668,748,632,530,432
  5. Step 5: Solve for x
    x = 203,668,748,632,530,432/445,189,572.53
  6. Step 6: Final answer
    x = 457,487,688.84

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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.