Home / 2,165,210,172.33-2,989,339,552.58-1,488,192,867.78

Finding the Fourth Proportional to 2,165,210,172.33, 2,989,339,552.58 and 1,488,192,867.78

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Solution

The fourth proportional to 2,165,210,172.33, 2,989,339,552.58 and 1,488,192,867.78 is: 2,054,633,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,210,172.33 : 2,989,339,552.58 = 1,488,192,867.78 : x
  2. Step 2: Convert to fraction form
    2,165,210,172.33/2,989,339,552.58 = 1,488,192,867.78/x
  3. Step 3: Cross multiply
    2,165,210,172.33x = 2,989,339,552.58 × 1,488,192,867.78
  4. Step 4: Simplify right side
    2,165,210,172.33x = 4,448,713,801,514,770,944
  5. Step 5: Solve for x
    x = 4,448,713,801,514,770,944/2,165,210,172.33
  6. Step 6: Final answer
    x = 2,054,633,706.40

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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.