Home / 500,005,170.66-749,254,569.63-445,515,343.98

Finding the Fourth Proportional to 500,005,170.66, 749,254,569.63 and 445,515,343.98

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Solution

The fourth proportional to 500,005,170.66, 749,254,569.63 and 445,515,343.98 is: 667,601,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,005,170.66 : 749,254,569.63 = 445,515,343.98 : x
  2. Step 2: Convert to fraction form
    500,005,170.66/749,254,569.63 = 445,515,343.98/x
  3. Step 3: Cross multiply
    500,005,170.66x = 749,254,569.63 × 445,515,343.98
  4. Step 4: Simplify right side
    500,005,170.66x = 333,804,407,317,296,320
  5. Step 5: Solve for x
    x = 333,804,407,317,296,320/500,005,170.66
  6. Step 6: Final answer
    x = 667,601,910.75

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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.