Home / 803,965,501.20-1,205,948,251.80-343,950,171.60

Finding the Fourth Proportional to 803,965,501.20, 1,205,948,251.80 and 343,950,171.60

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Solution

The fourth proportional to 803,965,501.20, 1,205,948,251.80 and 343,950,171.60 is: 515,925,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,965,501.20 : 1,205,948,251.80 = 343,950,171.60 : x
  2. Step 2: Convert to fraction form
    803,965,501.20/1,205,948,251.80 = 343,950,171.60/x
  3. Step 3: Cross multiply
    803,965,501.20x = 1,205,948,251.80 × 343,950,171.60
  4. Step 4: Simplify right side
    803,965,501.20x = 414,786,108,147,330,048
  5. Step 5: Solve for x
    x = 414,786,108,147,330,048/803,965,501.20
  6. Step 6: Final answer
    x = 515,925,257.40

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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.