Home / 401,738,005.08-554,367,838.86-225,491,949.36

Finding the Fourth Proportional to 401,738,005.08, 554,367,838.86 and 225,491,949.36

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Solution

The fourth proportional to 401,738,005.08, 554,367,838.86 and 225,491,949.36 is: 311,161,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,738,005.08 : 554,367,838.86 = 225,491,949.36 : x
  2. Step 2: Convert to fraction form
    401,738,005.08/554,367,838.86 = 225,491,949.36/x
  3. Step 3: Cross multiply
    401,738,005.08x = 554,367,838.86 × 225,491,949.36
  4. Step 4: Simplify right side
    401,738,005.08x = 125,005,484,647,031,776
  5. Step 5: Solve for x
    x = 125,005,484,647,031,776/401,738,005.08
  6. Step 6: Final answer
    x = 311,161,710.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.