Home / 403,548,376.40-605,322,564.60-305,975,808.80

Finding the Fourth Proportional to 403,548,376.40, 605,322,564.60 and 305,975,808.80

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Solution

The fourth proportional to 403,548,376.40, 605,322,564.60 and 305,975,808.80 is: 458,963,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,548,376.40 : 605,322,564.60 = 305,975,808.80 : x
  2. Step 2: Convert to fraction form
    403,548,376.40/605,322,564.60 = 305,975,808.80/x
  3. Step 3: Cross multiply
    403,548,376.40x = 605,322,564.60 × 305,975,808.80
  4. Step 4: Simplify right side
    403,548,376.40x = 185,214,061,288,375,264
  5. Step 5: Solve for x
    x = 185,214,061,288,375,264/403,548,376.40
  6. Step 6: Final answer
    x = 458,963,713.20

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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.