Home / 331,777,691.20-497,666,536.80-263,249,358.40

Finding the Fourth Proportional to 331,777,691.20, 497,666,536.80 and 263,249,358.40

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Solution

The fourth proportional to 331,777,691.20, 497,666,536.80 and 263,249,358.40 is: 394,874,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,691.20 : 497,666,536.80 = 263,249,358.40 : x
  2. Step 2: Convert to fraction form
    331,777,691.20/497,666,536.80 = 263,249,358.40/x
  3. Step 3: Cross multiply
    331,777,691.20x = 497,666,536.80 × 263,249,358.40
  4. Step 4: Simplify right side
    331,777,691.20x = 131,010,396,509,750,000
  5. Step 5: Solve for x
    x = 131,010,396,509,750,000/331,777,691.20
  6. Step 6: Final answer
    x = 394,874,037.60

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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.