Home / 12,805,073,558.60-19,207,610,337.90-10,628,291,222.60

Finding the Fourth Proportional to 12,805,073,558.60, 19,207,610,337.90 and 10,628,291,222.60

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Solution

The fourth proportional to 12,805,073,558.60, 19,207,610,337.90 and 10,628,291,222.60 is: 15,942,436,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,073,558.60 : 19,207,610,337.90 = 10,628,291,222.60 : x
  2. Step 2: Convert to fraction form
    12,805,073,558.60/19,207,610,337.90 = 10,628,291,222.60/x
  3. Step 3: Cross multiply
    12,805,073,558.60x = 19,207,610,337.90 × 10,628,291,222.60
  4. Step 4: Simplify right side
    12,805,073,558.60x = 204,144,076,361,423,618,048
  5. Step 5: Solve for x
    x = 204,144,076,361,423,618,048/12,805,073,558.60
  6. Step 6: Final answer
    x = 15,942,436,833.90

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Double scale
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Similar ratio
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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.