Home / 404,573,053.91-558,310,815.11-218,934,069.53

Finding the Fourth Proportional to 404,573,053.91, 558,310,815.11 and 218,934,069.53

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Solution

The fourth proportional to 404,573,053.91, 558,310,815.11 and 218,934,069.53 is: 302,129,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573,053.91 : 558,310,815.11 = 218,934,069.53 : x
  2. Step 2: Convert to fraction form
    404,573,053.91/558,310,815.11 = 218,934,069.53/x
  3. Step 3: Cross multiply
    404,573,053.91x = 558,310,815.11 × 218,934,069.53
  4. Step 4: Simplify right side
    404,573,053.91x = 122,233,258,814,643,712
  5. Step 5: Solve for x
    x = 122,233,258,814,643,712/404,573,053.91
  6. Step 6: Final answer
    x = 302,129,016.34

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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.