Home / 362,142,391.22-499,728,007.60-205,509,497.69

Finding the Fourth Proportional to 362,142,391.22, 499,728,007.60 and 205,509,497.69

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Solution

The fourth proportional to 362,142,391.22, 499,728,007.60 and 205,509,497.69 is: 283,586,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,142,391.22 : 499,728,007.60 = 205,509,497.69 : x
  2. Step 2: Convert to fraction form
    362,142,391.22/499,728,007.60 = 205,509,497.69/x
  3. Step 3: Cross multiply
    362,142,391.22x = 499,728,007.60 × 205,509,497.69
  4. Step 4: Simplify right side
    362,142,391.22x = 102,698,851,824,811,472
  5. Step 5: Solve for x
    x = 102,698,851,824,811,472/362,142,391.22
  6. Step 6: Final answer
    x = 283,586,937.94

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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.