Home / 805,725,398.70-1,208,588,031.90-223,459,638.12

Finding the Fourth Proportional to 805,725,398.70, 1,208,588,031.90 and 223,459,638.12

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Solution

The fourth proportional to 805,725,398.70, 1,208,588,031.90 and 223,459,638.12 is: 335,189,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,725,398.70 : 1,208,588,031.90 = 223,459,638.12 : x
  2. Step 2: Convert to fraction form
    805,725,398.70/1,208,588,031.90 = 223,459,638.12/x
  3. Step 3: Cross multiply
    805,725,398.70x = 1,208,588,031.90 × 223,459,638.12
  4. Step 4: Simplify right side
    805,725,398.70x = 270,070,644,244,537,056
  5. Step 5: Solve for x
    x = 270,070,644,244,537,056/805,725,398.70
  6. Step 6: Final answer
    x = 335,189,438.83

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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.