Home / 860,825,493,746.85-1,187,932,121,615.20-470,192,306,630.32

Finding the Fourth Proportional to 860,825,493,746.85, 1,187,932,121,615.20 and 470,192,306,630.32

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Solution

The fourth proportional to 860,825,493,746.85, 1,187,932,121,615.20 and 470,192,306,630.32 is: 648,861,527,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,825,493,746.85 : 1,187,932,121,615.20 = 470,192,306,630.32 : x
  2. Step 2: Convert to fraction form
    860,825,493,746.85/1,187,932,121,615.20 = 470,192,306,630.32/x
  3. Step 3: Cross multiply
    860,825,493,746.85x = 1,187,932,121,615.20 × 470,192,306,630.32
  4. Step 4: Simplify right side
    860,825,493,746.85x = 558,556,544,382,500,664,770,560
  5. Step 5: Solve for x
    x = 558,556,544,382,500,664,770,560/860,825,493,746.85
  6. Step 6: Final answer
    x = 648,861,527,034.14

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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.