Home / 7,625,149,749.51-11,431,173,064.82-2,650,225,135.11

Finding the Fourth Proportional to 7,625,149,749.51, 11,431,173,064.82 and 2,650,225,135.11

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Solution

The fourth proportional to 7,625,149,749.51, 11,431,173,064.82 and 2,650,225,135.11 is: 3,973,060,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625,149,749.51 : 11,431,173,064.82 = 2,650,225,135.11 : x
  2. Step 2: Convert to fraction form
    7,625,149,749.51/11,431,173,064.82 = 2,650,225,135.11/x
  3. Step 3: Cross multiply
    7,625,149,749.51x = 11,431,173,064.82 × 2,650,225,135.11
  4. Step 4: Simplify right side
    7,625,149,749.51x = 30,295,182,180,165,128,192
  5. Step 5: Solve for x
    x = 30,295,182,180,165,128,192/7,625,149,749.51
  6. Step 6: Final answer
    x = 3,973,060,618.53

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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.