Home / 1,909,111,626.88-2,633,081,524.79-1,240,272,170.60

Finding the Fourth Proportional to 1,909,111,626.88, 2,633,081,524.79 and 1,240,272,170.60

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Solution

The fourth proportional to 1,909,111,626.88, 2,633,081,524.79 and 1,240,272,170.60 is: 1,710,605,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,111,626.88 : 2,633,081,524.79 = 1,240,272,170.60 : x
  2. Step 2: Convert to fraction form
    1,909,111,626.88/2,633,081,524.79 = 1,240,272,170.60/x
  3. Step 3: Cross multiply
    1,909,111,626.88x = 2,633,081,524.79 × 1,240,272,170.60
  4. Step 4: Simplify right side
    1,909,111,626.88x = 3,265,737,738,114,066,944
  5. Step 5: Solve for x
    x = 3,265,737,738,114,066,944/1,909,111,626.88
  6. Step 6: Final answer
    x = 1,710,605,965.69

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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.