Home / 255,588,007.80-383,382,011.70-210,238,375.80

Finding the Fourth Proportional to 255,588,007.80, 383,382,011.70 and 210,238,375.80

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Solution

The fourth proportional to 255,588,007.80, 383,382,011.70 and 210,238,375.80 is: 315,357,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,588,007.80 : 383,382,011.70 = 210,238,375.80 : x
  2. Step 2: Convert to fraction form
    255,588,007.80/383,382,011.70 = 210,238,375.80/x
  3. Step 3: Cross multiply
    255,588,007.80x = 383,382,011.70 × 210,238,375.80
  4. Step 4: Simplify right side
    255,588,007.80x = 80,601,611,450,744,592
  5. Step 5: Solve for x
    x = 80,601,611,450,744,592/255,588,007.80
  6. Step 6: Final answer
    x = 315,357,563.70

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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.