Home / 641,989,336.92-962,680,440.42-248,700,369.24

Finding the Fourth Proportional to 641,989,336.92, 962,680,440.42 and 248,700,369.24

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Solution

The fourth proportional to 641,989,336.92, 962,680,440.42 and 248,700,369.24 is: 372,932,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,989,336.92 : 962,680,440.42 = 248,700,369.24 : x
  2. Step 2: Convert to fraction form
    641,989,336.92/962,680,440.42 = 248,700,369.24/x
  3. Step 3: Cross multiply
    641,989,336.92x = 962,680,440.42 × 248,700,369.24
  4. Step 4: Simplify right side
    641,989,336.92x = 239,418,980,992,579,808
  5. Step 5: Solve for x
    x = 239,418,980,992,579,808/641,989,336.92
  6. Step 6: Final answer
    x = 372,932,955.77

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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.