Home / 9,876,397,991.79-13,640,740,940.31-6,504,380,964.75

Finding the Fourth Proportional to 9,876,397,991.79, 13,640,740,940.31 and 6,504,380,964.75

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Solution

The fourth proportional to 9,876,397,991.79, 13,640,740,940.31 and 6,504,380,964.75 is: 8,983,495,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,397,991.79 : 13,640,740,940.31 = 6,504,380,964.75 : x
  2. Step 2: Convert to fraction form
    9,876,397,991.79/13,640,740,940.31 = 6,504,380,964.75/x
  3. Step 3: Cross multiply
    9,876,397,991.79x = 13,640,740,940.31 × 6,504,380,964.75
  4. Step 4: Simplify right side
    9,876,397,991.79x = 88,724,575,717,238,374,400
  5. Step 5: Solve for x
    x = 88,724,575,717,238,374,400/9,876,397,991.79
  6. Step 6: Final answer
    x = 8,983,495,378.68

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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.