Home / 852,806,537.20-1,280,166,399.60-659,574,589.60

Finding the Fourth Proportional to 852,806,537.20, 1,280,166,399.60 and 659,574,589.60

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Solution

The fourth proportional to 852,806,537.20, 1,280,166,399.60 and 659,574,589.60 is: 990,101,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,806,537.20 : 1,280,166,399.60 = 659,574,589.60 : x
  2. Step 2: Convert to fraction form
    852,806,537.20/1,280,166,399.60 = 659,574,589.60/x
  3. Step 3: Cross multiply
    852,806,537.20x = 1,280,166,399.60 × 659,574,589.60
  4. Step 4: Simplify right side
    852,806,537.20x = 844,365,227,635,879,552
  5. Step 5: Solve for x
    x = 844,365,227,635,879,552/852,806,537.20
  6. Step 6: Final answer
    x = 990,101,729.76

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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.