Home / 801,929,026.89-1,202,894,499.78-219,668,292.36

Finding the Fourth Proportional to 801,929,026.89, 1,202,894,499.78 and 219,668,292.36

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Solution

The fourth proportional to 801,929,026.89, 1,202,894,499.78 and 219,668,292.36 is: 329,502,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,929,026.89 : 1,202,894,499.78 = 219,668,292.36 : x
  2. Step 2: Convert to fraction form
    801,929,026.89/1,202,894,499.78 = 219,668,292.36/x
  3. Step 3: Cross multiply
    801,929,026.89x = 1,202,894,499.78 × 219,668,292.36
  4. Step 4: Simplify right side
    801,929,026.89x = 264,237,780,655,908,992
  5. Step 5: Solve for x
    x = 264,237,780,655,908,992/801,929,026.89
  6. Step 6: Final answer
    x = 329,502,701.36

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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.