Home / 404,428,022.87-558,105,235.91-225,814,688.58

Finding the Fourth Proportional to 404,428,022.87, 558,105,235.91 and 225,814,688.58

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Solution

The fourth proportional to 404,428,022.87, 558,105,235.91 and 225,814,688.58 is: 311,621,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,428,022.87 : 558,105,235.91 = 225,814,688.58 : x
  2. Step 2: Convert to fraction form
    404,428,022.87/558,105,235.91 = 225,814,688.58/x
  3. Step 3: Cross multiply
    404,428,022.87x = 558,105,235.91 × 225,814,688.58
  4. Step 4: Simplify right side
    404,428,022.87x = 126,028,360,041,823,904
  5. Step 5: Solve for x
    x = 126,028,360,041,823,904/404,428,022.87
  6. Step 6: Final answer
    x = 311,621,235.21

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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.