Home / 5,314,448,043.60-7,971,672,065.40-3,936,952,971.60

Finding the Fourth Proportional to 5,314,448,043.60, 7,971,672,065.40 and 3,936,952,971.60

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Solution

The fourth proportional to 5,314,448,043.60, 7,971,672,065.40 and 3,936,952,971.60 is: 5,905,429,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,448,043.60 : 7,971,672,065.40 = 3,936,952,971.60 : x
  2. Step 2: Convert to fraction form
    5,314,448,043.60/7,971,672,065.40 = 3,936,952,971.60/x
  3. Step 3: Cross multiply
    5,314,448,043.60x = 7,971,672,065.40 × 3,936,952,971.60
  4. Step 4: Simplify right side
    5,314,448,043.60x = 31,384,098,026,497,236,992
  5. Step 5: Solve for x
    x = 31,384,098,026,497,236,992/5,314,448,043.60
  6. Step 6: Final answer
    x = 5,905,429,457.40

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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.