Home / 407,800,999.20-611,701,498.80-293,860,048.80

Finding the Fourth Proportional to 407,800,999.20, 611,701,498.80 and 293,860,048.80

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Solution

The fourth proportional to 407,800,999.20, 611,701,498.80 and 293,860,048.80 is: 440,790,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,800,999.20 : 611,701,498.80 = 293,860,048.80 : x
  2. Step 2: Convert to fraction form
    407,800,999.20/611,701,498.80 = 293,860,048.80/x
  3. Step 3: Cross multiply
    407,800,999.20x = 611,701,498.80 × 293,860,048.80
  4. Step 4: Simplify right side
    407,800,999.20x = 179,754,632,288,401,120
  5. Step 5: Solve for x
    x = 179,754,632,288,401,120/407,800,999.20
  6. Step 6: Final answer
    x = 440,790,073.20

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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.