Home / 8,252,952,002.20-12,379,428,003.30-5,314,295,848.60

Finding the Fourth Proportional to 8,252,952,002.20, 12,379,428,003.30 and 5,314,295,848.60

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Solution

The fourth proportional to 8,252,952,002.20, 12,379,428,003.30 and 5,314,295,848.60 is: 7,971,443,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,952,002.20 : 12,379,428,003.30 = 5,314,295,848.60 : x
  2. Step 2: Convert to fraction form
    8,252,952,002.20/12,379,428,003.30 = 5,314,295,848.60/x
  3. Step 3: Cross multiply
    8,252,952,002.20x = 12,379,428,003.30 × 5,314,295,848.60
  4. Step 4: Simplify right side
    8,252,952,002.20x = 65,787,942,845,979,779,072
  5. Step 5: Solve for x
    x = 65,787,942,845,979,779,072/8,252,952,002.20
  6. Step 6: Final answer
    x = 7,971,443,772.90

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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.