Home / 363,231,292.32-545,038,257.36-209,984,975.28

Finding the Fourth Proportional to 363,231,292.32, 545,038,257.36 and 209,984,975.28

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Solution

The fourth proportional to 363,231,292.32, 545,038,257.36 and 209,984,975.28 is: 315,088,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,231,292.32 : 545,038,257.36 = 209,984,975.28 : x
  2. Step 2: Convert to fraction form
    363,231,292.32/545,038,257.36 = 209,984,975.28/x
  3. Step 3: Cross multiply
    363,231,292.32x = 545,038,257.36 × 209,984,975.28
  4. Step 4: Simplify right side
    363,231,292.32x = 114,449,844,998,393,888
  5. Step 5: Solve for x
    x = 114,449,844,998,393,888/363,231,292.32
  6. Step 6: Final answer
    x = 315,088,064.87

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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.