Home / 404,929,748.80-558,800,270.48-219,286,516.24

Finding the Fourth Proportional to 404,929,748.80, 558,800,270.48 and 219,286,516.24

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Solution

The fourth proportional to 404,929,748.80, 558,800,270.48 and 219,286,516.24 is: 302,613,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,929,748.80 : 558,800,270.48 = 219,286,516.24 : x
  2. Step 2: Convert to fraction form
    404,929,748.80/558,800,270.48 = 219,286,516.24/x
  3. Step 3: Cross multiply
    404,929,748.80x = 558,800,270.48 × 219,286,516.24
  4. Step 4: Simplify right side
    404,929,748.80x = 122,537,364,587,528,928
  5. Step 5: Solve for x
    x = 122,537,364,587,528,928/404,929,748.80
  6. Step 6: Final answer
    x = 302,613,885.37

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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.