Home / 260,266,051.10-391,036,805.86-195,695,969.60

Finding the Fourth Proportional to 260,266,051.10, 391,036,805.86 and 195,695,969.60

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Solution

The fourth proportional to 260,266,051.10, 391,036,805.86 and 195,695,969.60 is: 294,023,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,266,051.10 : 391,036,805.86 = 195,695,969.60 : x
  2. Step 2: Convert to fraction form
    260,266,051.10/391,036,805.86 = 195,695,969.60/x
  3. Step 3: Cross multiply
    260,266,051.10x = 391,036,805.86 × 195,695,969.60
  4. Step 4: Simplify right side
    260,266,051.10x = 76,524,326,872,059,664
  5. Step 5: Solve for x
    x = 76,524,326,872,059,664/260,266,051.10
  6. Step 6: Final answer
    x = 294,023,467.71

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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.