Home / 442,829,131.20-664,621,610.40-197,563,204.80

Finding the Fourth Proportional to 442,829,131.20, 664,621,610.40 and 197,563,204.80

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Solution

The fourth proportional to 442,829,131.20, 664,621,610.40 and 197,563,204.80 is: 296,513,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,829,131.20 : 664,621,610.40 = 197,563,204.80 : x
  2. Step 2: Convert to fraction form
    442,829,131.20/664,621,610.40 = 197,563,204.80/x
  3. Step 3: Cross multiply
    442,829,131.20x = 664,621,610.40 × 197,563,204.80
  4. Step 4: Simplify right side
    442,829,131.20x = 131,304,775,329,961,008
  5. Step 5: Solve for x
    x = 131,304,775,329,961,008/442,829,131.20
  6. Step 6: Final answer
    x = 296,513,409.08

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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.