Home / 491,238,374.40-736,857,561.60-451,061,434.80

Finding the Fourth Proportional to 491,238,374.40, 736,857,561.60 and 451,061,434.80

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Solution

The fourth proportional to 491,238,374.40, 736,857,561.60 and 451,061,434.80 is: 676,592,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,238,374.40 : 736,857,561.60 = 451,061,434.80 : x
  2. Step 2: Convert to fraction form
    491,238,374.40/736,857,561.60 = 451,061,434.80/x
  3. Step 3: Cross multiply
    491,238,374.40x = 736,857,561.60 × 451,061,434.80
  4. Step 4: Simplify right side
    491,238,374.40x = 332,368,028,978,525,376
  5. Step 5: Solve for x
    x = 332,368,028,978,525,376/491,238,374.40
  6. Step 6: Final answer
    x = 676,592,152.20

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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.