Home / 803,965,502.20-1,205,948,253.30-343,950,172.60

Finding the Fourth Proportional to 803,965,502.20, 1,205,948,253.30 and 343,950,172.60

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Solution

The fourth proportional to 803,965,502.20, 1,205,948,253.30 and 343,950,172.60 is: 515,925,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,965,502.20 : 1,205,948,253.30 = 343,950,172.60 : x
  2. Step 2: Convert to fraction form
    803,965,502.20/1,205,948,253.30 = 343,950,172.60/x
  3. Step 3: Cross multiply
    803,965,502.20x = 1,205,948,253.30 × 343,950,172.60
  4. Step 4: Simplify right side
    803,965,502.20x = 414,786,109,869,203,520
  5. Step 5: Solve for x
    x = 414,786,109,869,203,520/803,965,502.20
  6. Step 6: Final answer
    x = 515,925,258.90

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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.