Home / 860,825,493,755.40-1,187,932,121,627.10-470,192,306,638.98

Finding the Fourth Proportional to 860,825,493,755.40, 1,187,932,121,627.10 and 470,192,306,638.98

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Solution

The fourth proportional to 860,825,493,755.40, 1,187,932,121,627.10 and 470,192,306,638.98 is: 648,861,527,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,825,493,755.40 : 1,187,932,121,627.10 = 470,192,306,638.98 : x
  2. Step 2: Convert to fraction form
    860,825,493,755.40/1,187,932,121,627.10 = 470,192,306,638.98/x
  3. Step 3: Cross multiply
    860,825,493,755.40x = 1,187,932,121,627.10 × 470,192,306,638.98
  4. Step 4: Simplify right side
    860,825,493,755.40x = 558,556,544,398,383,520,940,032
  5. Step 5: Solve for x
    x = 558,556,544,398,383,520,940,032/860,825,493,755.40
  6. Step 6: Final answer
    x = 648,861,527,046.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.