Home / 780,843,271,215.12-1,077,504,577,770.60-438,220,962,698.64

Finding the Fourth Proportional to 780,843,271,215.12, 1,077,504,577,770.60 and 438,220,962,698.64

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Solution

The fourth proportional to 780,843,271,215.12, 1,077,504,577,770.60 and 438,220,962,698.64 is: 604,711,740,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,843,271,215.12 : 1,077,504,577,770.60 = 438,220,962,698.64 : x
  2. Step 2: Convert to fraction form
    780,843,271,215.12/1,077,504,577,770.60 = 438,220,962,698.64/x
  3. Step 3: Cross multiply
    780,843,271,215.12x = 1,077,504,577,770.60 × 438,220,962,698.64
  4. Step 4: Simplify right side
    780,843,271,215.12x = 472,185,093,382,823,951,204,352
  5. Step 5: Solve for x
    x = 472,185,093,382,823,951,204,352/780,843,271,215.12
  6. Step 6: Final answer
    x = 604,711,740,229.29

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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.