Home / 385,563,311.50-532,071,922.14-218,295,256.62

Finding the Fourth Proportional to 385,563,311.50, 532,071,922.14 and 218,295,256.62

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Solution

The fourth proportional to 385,563,311.50, 532,071,922.14 and 218,295,256.62 is: 301,244,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,563,311.50 : 532,071,922.14 = 218,295,256.62 : x
  2. Step 2: Convert to fraction form
    385,563,311.50/532,071,922.14 = 218,295,256.62/x
  3. Step 3: Cross multiply
    385,563,311.50x = 532,071,922.14 × 218,295,256.62
  4. Step 4: Simplify right side
    385,563,311.50x = 116,148,776,783,847,952
  5. Step 5: Solve for x
    x = 116,148,776,783,847,952/385,563,311.50
  6. Step 6: Final answer
    x = 301,244,369.78

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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.