Home / 302,515,030.80-453,772,546.20-199,202,900.40

Finding the Fourth Proportional to 302,515,030.80, 453,772,546.20 and 199,202,900.40

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Solution

The fourth proportional to 302,515,030.80, 453,772,546.20 and 199,202,900.40 is: 298,804,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515,030.80 : 453,772,546.20 = 199,202,900.40 : x
  2. Step 2: Convert to fraction form
    302,515,030.80/453,772,546.20 = 199,202,900.40/x
  3. Step 3: Cross multiply
    302,515,030.80x = 453,772,546.20 × 199,202,900.40
  4. Step 4: Simplify right side
    302,515,030.80x = 90,392,807,324,932,992
  5. Step 5: Solve for x
    x = 90,392,807,324,932,992/302,515,030.80
  6. Step 6: Final answer
    x = 298,804,350.60

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1.5x scale

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.