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Finding the Fourth Proportional to 5,473,205,539.56, 8,208,978,796 and 1,489,600,083.40

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Solution

The fourth proportional to 5,473,205,539.56, 8,208,978,796 and 1,489,600,083.40 is: 2,234,174,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473,205,539.56 : 8,208,978,796 = 1,489,600,083.40 : x
  2. Step 2: Convert to fraction form
    5,473,205,539.56/8,208,978,796 = 1,489,600,083.40/x
  3. Step 3: Cross multiply
    5,473,205,539.56x = 8,208,978,796 × 1,489,600,083.40
  4. Step 4: Simplify right side
    5,473,205,539.56x = 12,228,095,499,150,432,256
  5. Step 5: Solve for x
    x = 12,228,095,499,150,432,256/5,473,205,539.56
  6. Step 6: Final answer
    x = 2,234,174,362.86

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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.