Home / 780,843,271,210.12-1,077,504,577,763.70-438,220,962,693.64

Finding the Fourth Proportional to 780,843,271,210.12, 1,077,504,577,763.70 and 438,220,962,693.64

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Solution

The fourth proportional to 780,843,271,210.12, 1,077,504,577,763.70 and 438,220,962,693.64 is: 604,711,740,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,843,271,210.12 : 1,077,504,577,763.70 = 438,220,962,693.64 : x
  2. Step 2: Convert to fraction form
    780,843,271,210.12/1,077,504,577,763.70 = 438,220,962,693.64/x
  3. Step 3: Cross multiply
    780,843,271,210.12x = 1,077,504,577,763.70 × 438,220,962,693.64
  4. Step 4: Simplify right side
    780,843,271,210.12x = 472,185,093,374,412,660,408,320
  5. Step 5: Solve for x
    x = 472,185,093,374,412,660,408,320/780,843,271,210.12
  6. Step 6: Final answer
    x = 604,711,740,222.39

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Double scale
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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.