Home / 1,434,661,768.80-1,979,772,070.20-799,548,465.48

Finding the Fourth Proportional to 1,434,661,768.80, 1,979,772,070.20 and 799,548,465.48

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Solution

The fourth proportional to 1,434,661,768.80, 1,979,772,070.20 and 799,548,465.48 is: 1,103,342,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,661,768.80 : 1,979,772,070.20 = 799,548,465.48 : x
  2. Step 2: Convert to fraction form
    1,434,661,768.80/1,979,772,070.20 = 799,548,465.48/x
  3. Step 3: Cross multiply
    1,434,661,768.80x = 1,979,772,070.20 × 799,548,465.48
  4. Step 4: Simplify right side
    1,434,661,768.80x = 1,582,923,720,728,572,928
  5. Step 5: Solve for x
    x = 1,582,923,720,728,572,928/1,434,661,768.80
  6. Step 6: Final answer
    x = 1,103,342,791.42

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Double scale
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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.