Home / 22,790,190,605.50-31,450,647,697.12-12,629,088,203.64

Finding the Fourth Proportional to 22,790,190,605.50, 31,450,647,697.12 and 12,629,088,203.64

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Solution

The fourth proportional to 22,790,190,605.50, 31,450,647,697.12 and 12,629,088,203.64 is: 17,428,244,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790,190,605.50 : 31,450,647,697.12 = 12,629,088,203.64 : x
  2. Step 2: Convert to fraction form
    22,790,190,605.50/31,450,647,697.12 = 12,629,088,203.64/x
  3. Step 3: Cross multiply
    22,790,190,605.50x = 31,450,647,697.12 × 12,629,088,203.64
  4. Step 4: Simplify right side
    22,790,190,605.50x = 397,193,003,828,535,689,216
  5. Step 5: Solve for x
    x = 397,193,003,828,535,689,216/22,790,190,605.50
  6. Step 6: Final answer
    x = 17,428,244,050.43

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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.