Home / 672,275,629.52-1,008,866,634.36-235,580,237.12

Finding the Fourth Proportional to 672,275,629.52, 1,008,866,634.36 and 235,580,237.12

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Solution

The fourth proportional to 672,275,629.52, 1,008,866,634.36 and 235,580,237.12 is: 353,529,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,275,629.52 : 1,008,866,634.36 = 235,580,237.12 : x
  2. Step 2: Convert to fraction form
    672,275,629.52/1,008,866,634.36 = 235,580,237.12/x
  3. Step 3: Cross multiply
    672,275,629.52x = 1,008,866,634.36 × 235,580,237.12
  4. Step 4: Simplify right side
    672,275,629.52x = 237,669,040,944,985,152
  5. Step 5: Solve for x
    x = 237,669,040,944,985,152/672,275,629.52
  6. Step 6: Final answer
    x = 353,529,163.50

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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.