Home / 15,171,472,628.40-22,757,208,942.60-6,446,203,431.60

Finding the Fourth Proportional to 15,171,472,628.40, 22,757,208,942.60 and 6,446,203,431.60

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Solution

The fourth proportional to 15,171,472,628.40, 22,757,208,942.60 and 6,446,203,431.60 is: 9,669,305,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,472,628.40 : 22,757,208,942.60 = 6,446,203,431.60 : x
  2. Step 2: Convert to fraction form
    15,171,472,628.40/22,757,208,942.60 = 6,446,203,431.60/x
  3. Step 3: Cross multiply
    15,171,472,628.40x = 22,757,208,942.60 × 6,446,203,431.60
  4. Step 4: Simplify right side
    15,171,472,628.40x = 146,697,598,379,426,332,672
  5. Step 5: Solve for x
    x = 146,697,598,379,426,332,672/15,171,472,628.40
  6. Step 6: Final answer
    x = 9,669,305,147.40

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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.