Home / 260,265,986.60-391,036,709.10-195,695,905.10

Finding the Fourth Proportional to 260,265,986.60, 391,036,709.10 and 195,695,905.10

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Solution

The fourth proportional to 260,265,986.60, 391,036,709.10 and 195,695,905.10 is: 294,023,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,265,986.60 : 391,036,709.10 = 195,695,905.10 : x
  2. Step 2: Convert to fraction form
    260,265,986.60/391,036,709.10 = 195,695,905.10/x
  3. Step 3: Cross multiply
    260,265,986.60x = 391,036,709.10 × 195,695,905.10
  4. Step 4: Simplify right side
    260,265,986.60x = 76,524,282,714,649,904
  5. Step 5: Solve for x
    x = 76,524,282,714,649,904/260,265,986.60
  6. Step 6: Final answer
    x = 294,023,370.91

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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.