Home / 2,197,629,828.72-3,032,728,467.66-1,207,619,018.64

Finding the Fourth Proportional to 2,197,629,828.72, 3,032,728,467.66 and 1,207,619,018.64

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Solution

The fourth proportional to 2,197,629,828.72, 3,032,728,467.66 and 1,207,619,018.64 is: 1,666,513,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,629,828.72 : 3,032,728,467.66 = 1,207,619,018.64 : x
  2. Step 2: Convert to fraction form
    2,197,629,828.72/3,032,728,467.66 = 1,207,619,018.64/x
  3. Step 3: Cross multiply
    2,197,629,828.72x = 3,032,728,467.66 × 1,207,619,018.64
  4. Step 4: Simplify right side
    2,197,629,828.72x = 3,662,380,575,917,160,448
  5. Step 5: Solve for x
    x = 3,662,380,575,917,160,448/2,197,629,828.72
  6. Step 6: Final answer
    x = 1,666,513,863.28

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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.