Home / 1,043,503,819.74-1,440,044,911.40-567,195,309.42

Finding the Fourth Proportional to 1,043,503,819.74, 1,440,044,911.40 and 567,195,309.42

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Solution

The fourth proportional to 1,043,503,819.74, 1,440,044,911.40 and 567,195,309.42 is: 782,734,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,503,819.74 : 1,440,044,911.40 = 567,195,309.42 : x
  2. Step 2: Convert to fraction form
    1,043,503,819.74/1,440,044,911.40 = 567,195,309.42/x
  3. Step 3: Cross multiply
    1,043,503,819.74x = 1,440,044,911.40 × 567,195,309.42
  4. Step 4: Simplify right side
    1,043,503,819.74x = 816,786,719,100,219,520
  5. Step 5: Solve for x
    x = 816,786,719,100,219,520/1,043,503,819.74
  6. Step 6: Final answer
    x = 782,734,766.90

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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.