Home / 860,825,493,755.90-1,187,932,121,627.80-470,192,306,639.48

Finding the Fourth Proportional to 860,825,493,755.90, 1,187,932,121,627.80 and 470,192,306,639.48

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Solution

The fourth proportional to 860,825,493,755.90, 1,187,932,121,627.80 and 470,192,306,639.48 is: 648,861,527,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,825,493,755.90 : 1,187,932,121,627.80 = 470,192,306,639.48 : x
  2. Step 2: Convert to fraction form
    860,825,493,755.90/1,187,932,121,627.80 = 470,192,306,639.48/x
  3. Step 3: Cross multiply
    860,825,493,755.90x = 1,187,932,121,627.80 × 470,192,306,639.48
  4. Step 4: Simplify right side
    860,825,493,755.90x = 558,556,544,399,306,603,364,352
  5. Step 5: Solve for x
    x = 558,556,544,399,306,603,364,352/860,825,493,755.90
  6. Step 6: Final answer
    x = 648,861,527,046.84

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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.