Home / 12,469,021,918.20-18,677,456,838.90-5,842,306,942.20

Finding the Fourth Proportional to 12,469,021,918.20, 18,677,456,838.90 and 5,842,306,942.20

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Solution

The fourth proportional to 12,469,021,918.20, 18,677,456,838.90 and 5,842,306,942.20 is: 8,751,242,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,021,918.20 : 18,677,456,838.90 = 5,842,306,942.20 : x
  2. Step 2: Convert to fraction form
    12,469,021,918.20/18,677,456,838.90 = 5,842,306,942.20/x
  3. Step 3: Cross multiply
    12,469,021,918.20x = 18,677,456,838.90 × 5,842,306,942.20
  4. Step 4: Simplify right side
    12,469,021,918.20x = 109,119,435,752,546,336,768
  5. Step 5: Solve for x
    x = 109,119,435,752,546,336,768/12,469,021,918.20
  6. Step 6: Final answer
    x = 8,751,242,596.93

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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.