Home / 10,691,546,163.20-16,037,319,244.80-9,965,952,051.20

Finding the Fourth Proportional to 10,691,546,163.20, 16,037,319,244.80 and 9,965,952,051.20

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Solution

The fourth proportional to 10,691,546,163.20, 16,037,319,244.80 and 9,965,952,051.20 is: 14,948,928,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,546,163.20 : 16,037,319,244.80 = 9,965,952,051.20 : x
  2. Step 2: Convert to fraction form
    10,691,546,163.20/16,037,319,244.80 = 9,965,952,051.20/x
  3. Step 3: Cross multiply
    10,691,546,163.20x = 16,037,319,244.80 × 9,965,952,051.20
  4. Step 4: Simplify right side
    10,691,546,163.20x = 159,827,154,623,463,784,448
  5. Step 5: Solve for x
    x = 159,827,154,623,463,784,448/10,691,546,163.20
  6. Step 6: Final answer
    x = 14,948,928,076.80

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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.