Home / 351,756,734.40-527,635,101.60-259,923,729.60

Finding the Fourth Proportional to 351,756,734.40, 527,635,101.60 and 259,923,729.60

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Solution

The fourth proportional to 351,756,734.40, 527,635,101.60 and 259,923,729.60 is: 389,885,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,756,734.40 : 527,635,101.60 = 259,923,729.60 : x
  2. Step 2: Convert to fraction form
    351,756,734.40/527,635,101.60 = 259,923,729.60/x
  3. Step 3: Cross multiply
    351,756,734.40x = 527,635,101.60 × 259,923,729.60
  4. Step 4: Simplify right side
    351,756,734.40x = 137,144,883,475,746,928
  5. Step 5: Solve for x
    x = 137,144,883,475,746,928/351,756,734.40
  6. Step 6: Final answer
    x = 389,885,594.40

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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.