Home / 1,613,620,028.40-2,420,430,042.60-1,601,526,793.20

Finding the Fourth Proportional to 1,613,620,028.40, 2,420,430,042.60 and 1,601,526,793.20

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Solution

The fourth proportional to 1,613,620,028.40, 2,420,430,042.60 and 1,601,526,793.20 is: 2,402,290,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,620,028.40 : 2,420,430,042.60 = 1,601,526,793.20 : x
  2. Step 2: Convert to fraction form
    1,613,620,028.40/2,420,430,042.60 = 1,601,526,793.20/x
  3. Step 3: Cross multiply
    1,613,620,028.40x = 2,420,430,042.60 × 1,601,526,793.20
  4. Step 4: Simplify right side
    1,613,620,028.40x = 3,876,383,564,290,117,120
  5. Step 5: Solve for x
    x = 3,876,383,564,290,117,120/1,613,620,028.40
  6. Step 6: Final answer
    x = 2,402,290,189.80

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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.