Home / 860,825,493,754.75-1,187,932,121,626.10-470,192,306,638.27

Finding the Fourth Proportional to 860,825,493,754.75, 1,187,932,121,626.10 and 470,192,306,638.27

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Solution

The fourth proportional to 860,825,493,754.75, 1,187,932,121,626.10 and 470,192,306,638.27 is: 648,861,527,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,825,493,754.75 : 1,187,932,121,626.10 = 470,192,306,638.27 : x
  2. Step 2: Convert to fraction form
    860,825,493,754.75/1,187,932,121,626.10 = 470,192,306,638.27/x
  3. Step 3: Cross multiply
    860,825,493,754.75x = 1,187,932,121,626.10 × 470,192,306,638.27
  4. Step 4: Simplify right side
    860,825,493,754.75x = 558,556,544,397,069,932,036,096
  5. Step 5: Solve for x
    x = 558,556,544,397,069,932,036,096/860,825,493,754.75
  6. Step 6: Final answer
    x = 648,861,527,045.11

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Double scale
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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.