Home / 860,825,493,795.68-1,187,932,121,682.60-470,192,306,679.18

Finding the Fourth Proportional to 860,825,493,795.68, 1,187,932,121,682.60 and 470,192,306,679.18

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Solution

The fourth proportional to 860,825,493,795.68, 1,187,932,121,682.60 and 470,192,306,679.18 is: 648,861,527,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,825,493,795.68 : 1,187,932,121,682.60 = 470,192,306,679.18 : x
  2. Step 2: Convert to fraction form
    860,825,493,795.68/1,187,932,121,682.60 = 470,192,306,679.18/x
  3. Step 3: Cross multiply
    860,825,493,795.68x = 1,187,932,121,682.60 × 470,192,306,679.18
  4. Step 4: Simplify right side
    860,825,493,795.68x = 558,556,544,472,234,074,308,608
  5. Step 5: Solve for x
    x = 558,556,544,472,234,074,308,608/860,825,493,795.68
  6. Step 6: Final answer
    x = 648,861,527,101.58

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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.