Home / 491,164,734.21-736,383,892.96-297,032,990.57

Finding the Fourth Proportional to 491,164,734.21, 736,383,892.96 and 297,032,990.57

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Solution

The fourth proportional to 491,164,734.21, 736,383,892.96 and 297,032,990.57 is: 445,329,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,164,734.21 : 736,383,892.96 = 297,032,990.57 : x
  2. Step 2: Convert to fraction form
    491,164,734.21/736,383,892.96 = 297,032,990.57/x
  3. Step 3: Cross multiply
    491,164,734.21x = 736,383,892.96 × 297,032,990.57
  4. Step 4: Simplify right side
    491,164,734.21x = 218,730,309,930,161,440
  5. Step 5: Solve for x
    x = 218,730,309,930,161,440/491,164,734.21
  6. Step 6: Final answer
    x = 445,329,834.77

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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.