Home / 500,505,059.40-750,757,589.10-285,514,211.40

Finding the Fourth Proportional to 500,505,059.40, 750,757,589.10 and 285,514,211.40

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Solution

The fourth proportional to 500,505,059.40, 750,757,589.10 and 285,514,211.40 is: 428,271,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,505,059.40 : 750,757,589.10 = 285,514,211.40 : x
  2. Step 2: Convert to fraction form
    500,505,059.40/750,757,589.10 = 285,514,211.40/x
  3. Step 3: Cross multiply
    500,505,059.40x = 750,757,589.10 × 285,514,211.40
  4. Step 4: Simplify right side
    500,505,059.40x = 214,351,961,004,451,712
  5. Step 5: Solve for x
    x = 214,351,961,004,451,712/500,505,059.40
  6. Step 6: Final answer
    x = 428,271,317.10

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Similar ratio
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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.