Home / 505,320,433.15-757,980,649.73-308,899,839.55

Finding the Fourth Proportional to 505,320,433.15, 757,980,649.73 and 308,899,839.55

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Solution

The fourth proportional to 505,320,433.15, 757,980,649.73 and 308,899,839.55 is: 463,349,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,320,433.15 : 757,980,649.73 = 308,899,839.55 : x
  2. Step 2: Convert to fraction form
    505,320,433.15/757,980,649.73 = 308,899,839.55/x
  3. Step 3: Cross multiply
    505,320,433.15x = 757,980,649.73 × 308,899,839.55
  4. Step 4: Simplify right side
    505,320,433.15x = 234,140,101,083,601,760
  5. Step 5: Solve for x
    x = 234,140,101,083,601,760/505,320,433.15
  6. Step 6: Final answer
    x = 463,349,759.33

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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.