Home / 472,380,790.82-708,887,238.54-196,031,995.61

Finding the Fourth Proportional to 472,380,790.82, 708,887,238.54 and 196,031,995.61

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Solution

The fourth proportional to 472,380,790.82, 708,887,238.54 and 196,031,995.61 is: 294,179,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,380,790.82 : 708,887,238.54 = 196,031,995.61 : x
  2. Step 2: Convert to fraction form
    472,380,790.82/708,887,238.54 = 196,031,995.61/x
  3. Step 3: Cross multiply
    472,380,790.82x = 708,887,238.54 × 196,031,995.61
  4. Step 4: Simplify right side
    472,380,790.82x = 138,964,580,033,162,688
  5. Step 5: Solve for x
    x = 138,964,580,033,162,688/472,380,790.82
  6. Step 6: Final answer
    x = 294,179,151.09

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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.