Home / 860,825,493,753.75-1,187,932,121,624.70-470,192,306,637.27

Finding the Fourth Proportional to 860,825,493,753.75, 1,187,932,121,624.70 and 470,192,306,637.27

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Solution

The fourth proportional to 860,825,493,753.75, 1,187,932,121,624.70 and 470,192,306,637.27 is: 648,861,527,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,825,493,753.75 : 1,187,932,121,624.70 = 470,192,306,637.27 : x
  2. Step 2: Convert to fraction form
    860,825,493,753.75/1,187,932,121,624.70 = 470,192,306,637.27/x
  3. Step 3: Cross multiply
    860,825,493,753.75x = 1,187,932,121,624.70 × 470,192,306,637.27
  4. Step 4: Simplify right side
    860,825,493,753.75x = 558,556,544,395,223,632,969,728
  5. Step 5: Solve for x
    x = 558,556,544,395,223,632,969,728/860,825,493,753.75
  6. Step 6: Final answer
    x = 648,861,527,043.72

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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.