Home / 7,729,949,861.79-11,612,379,196.40-4,584,227,723.28

Finding the Fourth Proportional to 7,729,949,861.79, 11,612,379,196.40 and 4,584,227,723.28

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Solution

The fourth proportional to 7,729,949,861.79, 11,612,379,196.40 and 4,584,227,723.28 is: 6,886,692,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,949,861.79 : 11,612,379,196.40 = 4,584,227,723.28 : x
  2. Step 2: Convert to fraction form
    7,729,949,861.79/11,612,379,196.40 = 4,584,227,723.28/x
  3. Step 3: Cross multiply
    7,729,949,861.79x = 11,612,379,196.40 × 4,584,227,723.28
  4. Step 4: Simplify right side
    7,729,949,861.79x = 53,233,790,645,353,889,792
  5. Step 5: Solve for x
    x = 53,233,790,645,353,889,792/7,729,949,861.79
  6. Step 6: Final answer
    x = 6,886,692,876.05

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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.