Home / 394,736,671.53-544,715,025.74-216,085,999.67

Finding the Fourth Proportional to 394,736,671.53, 544,715,025.74 and 216,085,999.67

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Solution

The fourth proportional to 394,736,671.53, 544,715,025.74 and 216,085,999.67 is: 298,186,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,736,671.53 : 544,715,025.74 = 216,085,999.67 : x
  2. Step 2: Convert to fraction form
    394,736,671.53/544,715,025.74 = 216,085,999.67/x
  3. Step 3: Cross multiply
    394,736,671.53x = 544,715,025.74 × 216,085,999.67
  4. Step 4: Simplify right side
    394,736,671.53x = 117,705,290,870,932,288
  5. Step 5: Solve for x
    x = 117,705,290,870,932,288/394,736,671.53
  6. Step 6: Final answer
    x = 298,186,865.73

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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.