Home / 384,028,336.53-529,959,105.09-207,816,331.80

Finding the Fourth Proportional to 384,028,336.53, 529,959,105.09 and 207,816,331.80

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Solution

The fourth proportional to 384,028,336.53, 529,959,105.09 and 207,816,331.80 is: 286,786,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,028,336.53 : 529,959,105.09 = 207,816,331.80 : x
  2. Step 2: Convert to fraction form
    384,028,336.53/529,959,105.09 = 207,816,331.80/x
  3. Step 3: Cross multiply
    384,028,336.53x = 529,959,105.09 × 207,816,331.80
  4. Step 4: Simplify right side
    384,028,336.53x = 110,134,157,223,814,512
  5. Step 5: Solve for x
    x = 110,134,157,223,814,512/384,028,336.53
  6. Step 6: Final answer
    x = 286,786,538.25

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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.