Home / 6,189,696,000.40-9,284,544,000.60-3,985,703,885.20

Finding the Fourth Proportional to 6,189,696,000.40, 9,284,544,000.60 and 3,985,703,885.20

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Solution

The fourth proportional to 6,189,696,000.40, 9,284,544,000.60 and 3,985,703,885.20 is: 5,978,555,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189,696,000.40 : 9,284,544,000.60 = 3,985,703,885.20 : x
  2. Step 2: Convert to fraction form
    6,189,696,000.40/9,284,544,000.60 = 3,985,703,885.20/x
  3. Step 3: Cross multiply
    6,189,696,000.40x = 9,284,544,000.60 × 3,985,703,885.20
  4. Step 4: Simplify right side
    6,189,696,000.40x = 37,005,443,095,501,774,848
  5. Step 5: Solve for x
    x = 37,005,443,095,501,774,848/6,189,696,000.40
  6. Step 6: Final answer
    x = 5,978,555,827.80

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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.