Home / 394,686,491.04-544,660,760.88-218,470,705.92

Finding the Fourth Proportional to 394,686,491.04, 544,660,760.88 and 218,470,705.92

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Solution

The fourth proportional to 394,686,491.04, 544,660,760.88 and 218,470,705.92 is: 301,485,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,686,491.04 : 544,660,760.88 = 218,470,705.92 : x
  2. Step 2: Convert to fraction form
    394,686,491.04/544,660,760.88 = 218,470,705.92/x
  3. Step 3: Cross multiply
    394,686,491.04x = 544,660,760.88 × 218,470,705.92
  4. Step 4: Simplify right side
    394,686,491.04x = 118,992,420,916,377,920
  5. Step 5: Solve for x
    x = 118,992,420,916,377,920/394,686,491.04
  6. Step 6: Final answer
    x = 301,485,922.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.