Home / 260,698,132.96-391,142,563.56-245,296,972.78

Finding the Fourth Proportional to 260,698,132.96, 391,142,563.56 and 245,296,972.78

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Solution

The fourth proportional to 260,698,132.96, 391,142,563.56 and 245,296,972.78 is: 368,035,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,698,132.96 : 391,142,563.56 = 245,296,972.78 : x
  2. Step 2: Convert to fraction form
    260,698,132.96/391,142,563.56 = 245,296,972.78/x
  3. Step 3: Cross multiply
    260,698,132.96x = 391,142,563.56 × 245,296,972.78
  4. Step 4: Simplify right side
    260,698,132.96x = 95,946,086,766,676,736
  5. Step 5: Solve for x
    x = 95,946,086,766,676,736/260,698,132.96
  6. Step 6: Final answer
    x = 368,035,189.50

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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.