Home / 169,440,165,448.92-233,852,849,480.88-128,728,083,067.14

Finding the Fourth Proportional to 169,440,165,448.92, 233,852,849,480.88 and 128,728,083,067.14

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Solution

The fourth proportional to 169,440,165,448.92, 233,852,849,480.88 and 128,728,083,067.14 is: 177,664,067,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,440,165,448.92 : 233,852,849,480.88 = 128,728,083,067.14 : x
  2. Step 2: Convert to fraction form
    169,440,165,448.92/233,852,849,480.88 = 128,728,083,067.14/x
  3. Step 3: Cross multiply
    169,440,165,448.92x = 233,852,849,480.88 × 128,728,083,067.14
  4. Step 4: Simplify right side
    169,440,165,448.92x = 30,103,429,033,462,109,044,736
  5. Step 5: Solve for x
    x = 30,103,429,033,462,109,044,736/169,440,165,448.92
  6. Step 6: Final answer
    x = 177,664,067,747.49

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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.