Home / 320,990,730.60-481,486,095.90-206,199,474.60

Finding the Fourth Proportional to 320,990,730.60, 481,486,095.90 and 206,199,474.60

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Solution

The fourth proportional to 320,990,730.60, 481,486,095.90 and 206,199,474.60 is: 309,299,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,990,730.60 : 481,486,095.90 = 206,199,474.60 : x
  2. Step 2: Convert to fraction form
    320,990,730.60/481,486,095.90 = 206,199,474.60/x
  3. Step 3: Cross multiply
    320,990,730.60x = 481,486,095.90 × 206,199,474.60
  4. Step 4: Simplify right side
    320,990,730.60x = 99,282,180,001,785,200
  5. Step 5: Solve for x
    x = 99,282,180,001,785,200/320,990,730.60
  6. Step 6: Final answer
    x = 309,299,211.90

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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.