Home / 403,382,003.60-605,073,005.40-293,692,581.20

Finding the Fourth Proportional to 403,382,003.60, 605,073,005.40 and 293,692,581.20

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Solution

The fourth proportional to 403,382,003.60, 605,073,005.40 and 293,692,581.20 is: 440,538,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,382,003.60 : 605,073,005.40 = 293,692,581.20 : x
  2. Step 2: Convert to fraction form
    403,382,003.60/605,073,005.40 = 293,692,581.20/x
  3. Step 3: Cross multiply
    403,382,003.60x = 605,073,005.40 × 293,692,581.20
  4. Step 4: Simplify right side
    403,382,003.60x = 177,705,452,770,367,520
  5. Step 5: Solve for x
    x = 177,705,452,770,367,520/403,382,003.60
  6. Step 6: Final answer
    x = 440,538,871.80

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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.