Home / 407,821,108.40-611,731,662.60-367,006,439.60

Finding the Fourth Proportional to 407,821,108.40, 611,731,662.60 and 367,006,439.60

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Solution

The fourth proportional to 407,821,108.40, 611,731,662.60 and 367,006,439.60 is: 550,509,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,821,108.40 : 611,731,662.60 = 367,006,439.60 : x
  2. Step 2: Convert to fraction form
    407,821,108.40/611,731,662.60 = 367,006,439.60/x
  3. Step 3: Cross multiply
    407,821,108.40x = 611,731,662.60 × 367,006,439.60
  4. Step 4: Simplify right side
    407,821,108.40x = 224,509,459,481,414,496
  5. Step 5: Solve for x
    x = 224,509,459,481,414,496/407,821,108.40
  6. Step 6: Final answer
    x = 550,509,659.40

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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.