Home / 500,005,169.16-749,254,567.38-445,515,342.48

Finding the Fourth Proportional to 500,005,169.16, 749,254,567.38 and 445,515,342.48

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Solution

The fourth proportional to 500,005,169.16, 749,254,567.38 and 445,515,342.48 is: 667,601,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,005,169.16 : 749,254,567.38 = 445,515,342.48 : x
  2. Step 2: Convert to fraction form
    500,005,169.16/749,254,567.38 = 445,515,342.48/x
  3. Step 3: Cross multiply
    500,005,169.16x = 749,254,567.38 × 445,515,342.48
  4. Step 4: Simplify right side
    500,005,169.16x = 333,804,405,191,004,928
  5. Step 5: Solve for x
    x = 333,804,405,191,004,928/500,005,169.16
  6. Step 6: Final answer
    x = 667,601,908.50

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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.