Home / 892,408,973.47-1,337,715,487.11-368,160,436.91

Finding the Fourth Proportional to 892,408,973.47, 1,337,715,487.11 and 368,160,436.91

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Solution

The fourth proportional to 892,408,973.47, 1,337,715,487.11 and 368,160,436.91 is: 551,870,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,408,973.47 : 1,337,715,487.11 = 368,160,436.91 : x
  2. Step 2: Convert to fraction form
    892,408,973.47/1,337,715,487.11 = 368,160,436.91/x
  3. Step 3: Cross multiply
    892,408,973.47x = 1,337,715,487.11 × 368,160,436.91
  4. Step 4: Simplify right side
    892,408,973.47x = 492,493,918,200,397,568
  5. Step 5: Solve for x
    x = 492,493,918,200,397,568/892,408,973.47
  6. Step 6: Final answer
    x = 551,870,199.47

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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.