Home / 505,524,810.80-757,011,757.80-403,488,138.80

Finding the Fourth Proportional to 505,524,810.80, 757,011,757.80 and 403,488,138.80

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Solution

The fourth proportional to 505,524,810.80, 757,011,757.80 and 403,488,138.80 is: 604,214,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,524,810.80 : 757,011,757.80 = 403,488,138.80 : x
  2. Step 2: Convert to fraction form
    505,524,810.80/757,011,757.80 = 403,488,138.80/x
  3. Step 3: Cross multiply
    505,524,810.80x = 757,011,757.80 × 403,488,138.80
  4. Step 4: Simplify right side
    505,524,810.80x = 305,445,265,204,438,400
  5. Step 5: Solve for x
    x = 305,445,265,204,438,400/505,524,810.80
  6. Step 6: Final answer
    x = 604,214,192.22

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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.