Home / 860,825,493,780.65-1,187,932,121,662-470,192,306,664.13

Finding the Fourth Proportional to 860,825,493,780.65, 1,187,932,121,662 and 470,192,306,664.13

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Solution

The fourth proportional to 860,825,493,780.65, 1,187,932,121,662 and 470,192,306,664.13 is: 648,861,527,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,825,493,780.65 : 1,187,932,121,662 = 470,192,306,664.13 : x
  2. Step 2: Convert to fraction form
    860,825,493,780.65/1,187,932,121,662 = 470,192,306,664.13/x
  3. Step 3: Cross multiply
    860,825,493,780.65x = 1,187,932,121,662 × 470,192,306,664.13
  4. Step 4: Simplify right side
    860,825,493,780.65x = 558,556,544,444,669,712,400,384
  5. Step 5: Solve for x
    x = 558,556,544,444,669,712,400,384/860,825,493,780.65
  6. Step 6: Final answer
    x = 648,861,527,080.89

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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.