Home / 384,028,321.86-529,959,084.75-207,816,317.15

Finding the Fourth Proportional to 384,028,321.86, 529,959,084.75 and 207,816,317.15

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Solution

The fourth proportional to 384,028,321.86, 529,959,084.75 and 207,816,317.15 is: 286,786,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,028,321.86 : 529,959,084.75 = 207,816,317.15 : x
  2. Step 2: Convert to fraction form
    384,028,321.86/529,959,084.75 = 207,816,317.15/x
  3. Step 3: Cross multiply
    384,028,321.86x = 529,959,084.75 × 207,816,317.15
  4. Step 4: Simplify right side
    384,028,321.86x = 110,134,145,230,279,936
  5. Step 5: Solve for x
    x = 110,134,145,230,279,936/384,028,321.86
  6. Step 6: Final answer
    x = 286,786,517.98

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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.