Home / 488,793,743.40-734,040,920.70-259,211,231.40

Finding the Fourth Proportional to 488,793,743.40, 734,040,920.70 and 259,211,231.40

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Solution

The fourth proportional to 488,793,743.40, 734,040,920.70 and 259,211,231.40 is: 389,267,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,793,743.40 : 734,040,920.70 = 259,211,231.40 : x
  2. Step 2: Convert to fraction form
    488,793,743.40/734,040,920.70 = 259,211,231.40/x
  3. Step 3: Cross multiply
    488,793,743.40x = 734,040,920.70 × 259,211,231.40
  4. Step 4: Simplify right side
    488,793,743.40x = 190,271,650,952,636,768
  5. Step 5: Solve for x
    x = 190,271,650,952,636,768/488,793,743.40
  6. Step 6: Final answer
    x = 389,267,770.96

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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.