Home / 360,121,379.58-496,693,310.34-309,970,953.16

Finding the Fourth Proportional to 360,121,379.58, 496,693,310.34 and 309,970,953.16

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Solution

The fourth proportional to 360,121,379.58, 496,693,310.34 and 309,970,953.16 is: 427,523,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,121,379.58 : 496,693,310.34 = 309,970,953.16 : x
  2. Step 2: Convert to fraction form
    360,121,379.58/496,693,310.34 = 309,970,953.16/x
  3. Step 3: Cross multiply
    360,121,379.58x = 496,693,310.34 × 309,970,953.16
  4. Step 4: Simplify right side
    360,121,379.58x = 153,960,498,834,206,144
  5. Step 5: Solve for x
    x = 153,960,498,834,206,144/360,121,379.58
  6. Step 6: Final answer
    x = 427,523,906.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.