Home / 491,238,375.40-736,857,563.10-451,061,435.80

Finding the Fourth Proportional to 491,238,375.40, 736,857,563.10 and 451,061,435.80

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Solution

The fourth proportional to 491,238,375.40, 736,857,563.10 and 451,061,435.80 is: 676,592,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,238,375.40 : 736,857,563.10 = 451,061,435.80 : x
  2. Step 2: Convert to fraction form
    491,238,375.40/736,857,563.10 = 451,061,435.80/x
  3. Step 3: Cross multiply
    491,238,375.40x = 736,857,563.10 × 451,061,435.80
  4. Step 4: Simplify right side
    491,238,375.40x = 332,368,030,391,975,104
  5. Step 5: Solve for x
    x = 332,368,030,391,975,104/491,238,375.40
  6. Step 6: Final answer
    x = 676,592,153.70

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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.