Home / 880,193,425.40-1,320,290,138.10-788,360,420.60

Finding the Fourth Proportional to 880,193,425.40, 1,320,290,138.10 and 788,360,420.60

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Solution

The fourth proportional to 880,193,425.40, 1,320,290,138.10 and 788,360,420.60 is: 1,182,540,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,193,425.40 : 1,320,290,138.10 = 788,360,420.60 : x
  2. Step 2: Convert to fraction form
    880,193,425.40/1,320,290,138.10 = 788,360,420.60/x
  3. Step 3: Cross multiply
    880,193,425.40x = 1,320,290,138.10 × 788,360,420.60
  4. Step 4: Simplify right side
    880,193,425.40x = 1,040,864,488,586,548,096
  5. Step 5: Solve for x
    x = 1,040,864,488,586,548,096/880,193,425.40
  6. Step 6: Final answer
    x = 1,182,540,630.90

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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.