Home / 488,797,869.90-734,047,110.45-259,215,357.90

Finding the Fourth Proportional to 488,797,869.90, 734,047,110.45 and 259,215,357.90

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Solution

The fourth proportional to 488,797,869.90, 734,047,110.45 and 259,215,357.90 is: 389,273,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,797,869.90 : 734,047,110.45 = 259,215,357.90 : x
  2. Step 2: Convert to fraction form
    488,797,869.90/734,047,110.45 = 259,215,357.90/x
  3. Step 3: Cross multiply
    488,797,869.90x = 734,047,110.45 × 259,215,357.90
  4. Step 4: Simplify right side
    488,797,869.90x = 190,276,284,450,757,600
  5. Step 5: Solve for x
    x = 190,276,284,450,757,600/488,797,869.90
  6. Step 6: Final answer
    x = 389,273,964.08

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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.