Home / 3,149,568,095.20-4,724,352,142.80-1,312,907,999.20

Finding the Fourth Proportional to 3,149,568,095.20, 4,724,352,142.80 and 1,312,907,999.20

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Solution

The fourth proportional to 3,149,568,095.20, 4,724,352,142.80 and 1,312,907,999.20 is: 1,969,361,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,568,095.20 : 4,724,352,142.80 = 1,312,907,999.20 : x
  2. Step 2: Convert to fraction form
    3,149,568,095.20/4,724,352,142.80 = 1,312,907,999.20/x
  3. Step 3: Cross multiply
    3,149,568,095.20x = 4,724,352,142.80 × 1,312,907,999.20
  4. Step 4: Simplify right side
    3,149,568,095.20x = 6,202,639,719,319,781,376
  5. Step 5: Solve for x
    x = 6,202,639,719,319,781,376/3,149,568,095.20
  6. Step 6: Final answer
    x = 1,969,361,998.80

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1.5x scale

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.