Home / 641,989,188.18-962,680,217.18-248,700,220.45

Finding the Fourth Proportional to 641,989,188.18, 962,680,217.18 and 248,700,220.45

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Solution

The fourth proportional to 641,989,188.18, 962,680,217.18 and 248,700,220.45 is: 372,932,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,989,188.18 : 962,680,217.18 = 248,700,220.45 : x
  2. Step 2: Convert to fraction form
    641,989,188.18/962,680,217.18 = 248,700,220.45/x
  3. Step 3: Cross multiply
    641,989,188.18x = 962,680,217.18 × 248,700,220.45
  4. Step 4: Simplify right side
    641,989,188.18x = 239,418,782,231,869,664
  5. Step 5: Solve for x
    x = 239,418,782,231,869,664/641,989,188.18
  6. Step 6: Final answer
    x = 372,932,732.58

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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.