Home / 384,028,474.68-529,959,297.04-207,816,471.86

Finding the Fourth Proportional to 384,028,474.68, 529,959,297.04 and 207,816,471.86

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Solution

The fourth proportional to 384,028,474.68, 529,959,297.04 and 207,816,471.86 is: 286,786,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,028,474.68 : 529,959,297.04 = 207,816,471.86 : x
  2. Step 2: Convert to fraction form
    384,028,474.68/529,959,297.04 = 207,816,471.86/x
  3. Step 3: Cross multiply
    384,028,474.68x = 529,959,297.04 × 207,816,471.86
  4. Step 4: Simplify right side
    384,028,474.68x = 110,134,271,337,089,200
  5. Step 5: Solve for x
    x = 110,134,271,337,089,200/384,028,474.68
  6. Step 6: Final answer
    x = 286,786,732.23

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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.