Home / 1,019,932,090.80-1,529,898,136.20-329,909,096.40

Finding the Fourth Proportional to 1,019,932,090.80, 1,529,898,136.20 and 329,909,096.40

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Solution

The fourth proportional to 1,019,932,090.80, 1,529,898,136.20 and 329,909,096.40 is: 494,863,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,932,090.80 : 1,529,898,136.20 = 329,909,096.40 : x
  2. Step 2: Convert to fraction form
    1,019,932,090.80/1,529,898,136.20 = 329,909,096.40/x
  3. Step 3: Cross multiply
    1,019,932,090.80x = 1,529,898,136.20 × 329,909,096.40
  4. Step 4: Simplify right side
    1,019,932,090.80x = 504,727,311,697,786,112
  5. Step 5: Solve for x
    x = 504,727,311,697,786,112/1,019,932,090.80
  6. Step 6: Final answer
    x = 494,863,644.60

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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.