Home / 388,422,204.86-582,240,720.57-167,237,819.98

Finding the Fourth Proportional to 388,422,204.86, 582,240,720.57 and 167,237,819.98

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Solution

The fourth proportional to 388,422,204.86, 582,240,720.57 and 167,237,819.98 is: 250,687,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,422,204.86 : 582,240,720.57 = 167,237,819.98 : x
  2. Step 2: Convert to fraction form
    388,422,204.86/582,240,720.57 = 167,237,819.98/x
  3. Step 3: Cross multiply
    388,422,204.86x = 582,240,720.57 × 167,237,819.98
  4. Step 4: Simplify right side
    388,422,204.86x = 97,372,668,811,711,152
  5. Step 5: Solve for x
    x = 97,372,668,811,711,152/388,422,204.86
  6. Step 6: Final answer
    x = 250,687,699.09

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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.