Home / 298,946,998.80-448,420,498.20-273,118,966.20

Finding the Fourth Proportional to 298,946,998.80, 448,420,498.20 and 273,118,966.20

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Solution

The fourth proportional to 298,946,998.80, 448,420,498.20 and 273,118,966.20 is: 409,678,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,946,998.80 : 448,420,498.20 = 273,118,966.20 : x
  2. Step 2: Convert to fraction form
    298,946,998.80/448,420,498.20 = 273,118,966.20/x
  3. Step 3: Cross multiply
    298,946,998.80x = 448,420,498.20 × 273,118,966.20
  4. Step 4: Simplify right side
    298,946,998.80x = 122,472,142,891,272,960
  5. Step 5: Solve for x
    x = 122,472,142,891,272,960/298,946,998.80
  6. Step 6: Final answer
    x = 409,678,449.30

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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.