Home / 20,699,639,176.60-28,567,518,790.26-12,244,187,004.04

Finding the Fourth Proportional to 20,699,639,176.60, 28,567,518,790.26 and 12,244,187,004.04

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Solution

The fourth proportional to 20,699,639,176.60, 28,567,518,790.26 and 12,244,187,004.04 is: 16,898,170,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699,639,176.60 : 28,567,518,790.26 = 12,244,187,004.04 : x
  2. Step 2: Convert to fraction form
    20,699,639,176.60/28,567,518,790.26 = 12,244,187,004.04/x
  3. Step 3: Cross multiply
    20,699,639,176.60x = 28,567,518,790.26 × 12,244,187,004.04
  4. Step 4: Simplify right side
    20,699,639,176.60x = 349,786,042,309,369,987,072
  5. Step 5: Solve for x
    x = 349,786,042,309,369,987,072/20,699,639,176.60
  6. Step 6: Final answer
    x = 16,898,170,993.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.