Home / 641,989,183.39-962,680,210.01-248,700,215.68

Finding the Fourth Proportional to 641,989,183.39, 962,680,210.01 and 248,700,215.68

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Solution

The fourth proportional to 641,989,183.39, 962,680,210.01 and 248,700,215.68 is: 372,932,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,989,183.39 : 962,680,210.01 = 248,700,215.68 : x
  2. Step 2: Convert to fraction form
    641,989,183.39/962,680,210.01 = 248,700,215.68/x
  3. Step 3: Cross multiply
    641,989,183.39x = 962,680,210.01 × 248,700,215.68
  4. Step 4: Simplify right side
    641,989,183.39x = 239,418,775,864,440,128
  5. Step 5: Solve for x
    x = 239,418,775,864,440,128/641,989,183.39
  6. Step 6: Final answer
    x = 372,932,725.44

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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.