Home / 641,989,185.64-962,680,213.38-248,700,217.94

Finding the Fourth Proportional to 641,989,185.64, 962,680,213.38 and 248,700,217.94

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Solution

The fourth proportional to 641,989,185.64, 962,680,213.38 and 248,700,217.94 is: 372,932,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,989,185.64 : 962,680,213.38 = 248,700,217.94 : x
  2. Step 2: Convert to fraction form
    641,989,185.64/962,680,213.38 = 248,700,217.94/x
  3. Step 3: Cross multiply
    641,989,185.64x = 962,680,213.38 × 248,700,217.94
  4. Step 4: Simplify right side
    641,989,185.64x = 239,418,778,873,860,960
  5. Step 5: Solve for x
    x = 239,418,778,873,860,960/641,989,185.64
  6. Step 6: Final answer
    x = 372,932,728.82

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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.