Home / 641,989,183.89-962,680,210.77-248,700,216.19

Finding the Fourth Proportional to 641,989,183.89, 962,680,210.77 and 248,700,216.19

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Solution

The fourth proportional to 641,989,183.89, 962,680,210.77 and 248,700,216.19 is: 372,932,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,989,183.89 : 962,680,210.77 = 248,700,216.19 : x
  2. Step 2: Convert to fraction form
    641,989,183.89/962,680,210.77 = 248,700,216.19/x
  3. Step 3: Cross multiply
    641,989,183.89x = 962,680,210.77 × 248,700,216.19
  4. Step 4: Simplify right side
    641,989,183.89x = 239,418,776,534,276,864
  5. Step 5: Solve for x
    x = 239,418,776,534,276,864/641,989,183.89
  6. Step 6: Final answer
    x = 372,932,726.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.