Home / 10,347,307,998.60-15,520,961,997.90-2,986,558,840.20

Finding the Fourth Proportional to 10,347,307,998.60, 15,520,961,997.90 and 2,986,558,840.20

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Solution

The fourth proportional to 10,347,307,998.60, 15,520,961,997.90 and 2,986,558,840.20 is: 4,479,838,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,307,998.60 : 15,520,961,997.90 = 2,986,558,840.20 : x
  2. Step 2: Convert to fraction form
    10,347,307,998.60/15,520,961,997.90 = 2,986,558,840.20/x
  3. Step 3: Cross multiply
    10,347,307,998.60x = 15,520,961,997.90 × 2,986,558,840.20
  4. Step 4: Simplify right side
    10,347,307,998.60x = 46,354,266,263,236,493,312
  5. Step 5: Solve for x
    x = 46,354,266,263,236,493,312/10,347,307,998.60
  6. Step 6: Final answer
    x = 4,479,838,260.30

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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.