Home / 38,726,085,354.54-53,441,454,552.57-21,579,661,321.62

Finding the Fourth Proportional to 38,726,085,354.54, 53,441,454,552.57 and 21,579,661,321.62

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Solution

The fourth proportional to 38,726,085,354.54, 53,441,454,552.57 and 21,579,661,321.62 is: 29,779,629,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,726,085,354.54 : 53,441,454,552.57 = 21,579,661,321.62 : x
  2. Step 2: Convert to fraction form
    38,726,085,354.54/53,441,454,552.57 = 21,579,661,321.62/x
  3. Step 3: Cross multiply
    38,726,085,354.54x = 53,441,454,552.57 × 21,579,661,321.62
  4. Step 4: Simplify right side
    38,726,085,354.54x = 1,153,248,489,779,207,864,320
  5. Step 5: Solve for x
    x = 1,153,248,489,779,207,864,320/38,726,085,354.54
  6. Step 6: Final answer
    x = 29,779,629,911.50

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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.