Home / 395,522,358.90-545,770,679.67-216,859,236

Finding the Fourth Proportional to 395,522,358.90, 545,770,679.67 and 216,859,236

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Solution

The fourth proportional to 395,522,358.90, 545,770,679.67 and 216,859,236 is: 299,238,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,522,358.90 : 545,770,679.67 = 216,859,236 : x
  2. Step 2: Convert to fraction form
    395,522,358.90/545,770,679.67 = 216,859,236/x
  3. Step 3: Cross multiply
    395,522,358.90x = 545,770,679.67 × 216,859,236
  4. Step 4: Simplify right side
    395,522,358.90x = 118,355,412,624,436,928
  5. Step 5: Solve for x
    x = 118,355,412,624,436,928/395,522,358.90
  6. Step 6: Final answer
    x = 299,238,235.11

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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.