Home / 5,120,757,743.25-7,067,782,517.01-3,113,166,290.79

Finding the Fourth Proportional to 5,120,757,743.25, 7,067,782,517.01 and 3,113,166,290.79

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Solution

The fourth proportional to 5,120,757,743.25, 7,067,782,517.01 and 3,113,166,290.79 is: 4,296,860,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,757,743.25 : 7,067,782,517.01 = 3,113,166,290.79 : x
  2. Step 2: Convert to fraction form
    5,120,757,743.25/7,067,782,517.01 = 3,113,166,290.79/x
  3. Step 3: Cross multiply
    5,120,757,743.25x = 7,067,782,517.01 × 3,113,166,290.79
  4. Step 4: Simplify right side
    5,120,757,743.25x = 22,003,182,282,590,433,280
  5. Step 5: Solve for x
    x = 22,003,182,282,590,433,280/5,120,757,743.25
  6. Step 6: Final answer
    x = 4,296,860,618.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.