Home / 455,090,528.80-682,635,793.20-196,810,202.80

Finding the Fourth Proportional to 455,090,528.80, 682,635,793.20 and 196,810,202.80

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Solution

The fourth proportional to 455,090,528.80, 682,635,793.20 and 196,810,202.80 is: 295,215,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,090,528.80 : 682,635,793.20 = 196,810,202.80 : x
  2. Step 2: Convert to fraction form
    455,090,528.80/682,635,793.20 = 196,810,202.80/x
  3. Step 3: Cross multiply
    455,090,528.80x = 682,635,793.20 × 196,810,202.80
  4. Step 4: Simplify right side
    455,090,528.80x = 134,349,688,898,230,880
  5. Step 5: Solve for x
    x = 134,349,688,898,230,880/455,090,528.80
  6. Step 6: Final answer
    x = 295,215,304.20

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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.