Home / 28,028,539,701.27-42,042,918,627.30-6,780,954,234.21

Finding the Fourth Proportional to 28,028,539,701.27, 42,042,918,627.30 and 6,780,954,234.21

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Solution

The fourth proportional to 28,028,539,701.27, 42,042,918,627.30 and 6,780,954,234.21 is: 10,171,457,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028,539,701.27 : 42,042,918,627.30 = 6,780,954,234.21 : x
  2. Step 2: Convert to fraction form
    28,028,539,701.27/42,042,918,627.30 = 6,780,954,234.21/x
  3. Step 3: Cross multiply
    28,028,539,701.27x = 42,042,918,627.30 × 6,780,954,234.21
  4. Step 4: Simplify right side
    28,028,539,701.27x = 285,091,107,084,336,431,104
  5. Step 5: Solve for x
    x = 285,091,107,084,336,431,104/28,028,539,701.27
  6. Step 6: Final answer
    x = 10,171,457,739.96

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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.