Home / 304,128,220.20-456,192,330.30-298,081,602.60

Finding the Fourth Proportional to 304,128,220.20, 456,192,330.30 and 298,081,602.60

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Solution

The fourth proportional to 304,128,220.20, 456,192,330.30 and 298,081,602.60 is: 447,122,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128,220.20 : 456,192,330.30 = 298,081,602.60 : x
  2. Step 2: Convert to fraction form
    304,128,220.20/456,192,330.30 = 298,081,602.60/x
  3. Step 3: Cross multiply
    304,128,220.20x = 456,192,330.30 × 298,081,602.60
  4. Step 4: Simplify right side
    304,128,220.20x = 135,982,540,909,652,560
  5. Step 5: Solve for x
    x = 135,982,540,909,652,560/304,128,220.20
  6. Step 6: Final answer
    x = 447,122,403.90

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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.