Home / 38,820,085,291,389-53,573,401,689,819-21,497,740,387,221

Finding the Fourth Proportional to 38,820,085,291,389, 53,573,401,689,819 and 21,497,740,387,221

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Solution

The fourth proportional to 38,820,085,291,389, 53,573,401,689,819 and 21,497,740,387,221 is: 29,667,814,291,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820,085,291,389 : 53,573,401,689,819 = 21,497,740,387,221 : x
  2. Step 2: Convert to fraction form
    38,820,085,291,389/53,573,401,689,819 = 21,497,740,387,221/x
  3. Step 3: Cross multiply
    38,820,085,291,389x = 53,573,401,689,819 × 21,497,740,387,221
  4. Step 4: Simplify right side
    38,820,085,291,389x = 1,151,707,081,188,035,641,059,835,904
  5. Step 5: Solve for x
    x = 1,151,707,081,188,035,641,059,835,904/38,820,085,291,389
  6. Step 6: Final answer
    x = 29,667,814,291,059.92

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Double scale
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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.