Home / 491,318,784,212.40-736,978,176,318.60-402,057,103,546.80

Finding the Fourth Proportional to 491,318,784,212.40, 736,978,176,318.60 and 402,057,103,546.80

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Solution

The fourth proportional to 491,318,784,212.40, 736,978,176,318.60 and 402,057,103,546.80 is: 603,085,655,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,318,784,212.40 : 736,978,176,318.60 = 402,057,103,546.80 : x
  2. Step 2: Convert to fraction form
    491,318,784,212.40/736,978,176,318.60 = 402,057,103,546.80/x
  3. Step 3: Cross multiply
    491,318,784,212.40x = 736,978,176,318.60 × 402,057,103,546.80
  4. Step 4: Simplify right side
    491,318,784,212.40x = 296,307,310,947,859,179,765,760
  5. Step 5: Solve for x
    x = 296,307,310,947,859,179,765,760/491,318,784,212.40
  6. Step 6: Final answer
    x = 603,085,655,320.20

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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.