Home / 511,946,553.47-706,481,214.09-276,992,058.69

Finding the Fourth Proportional to 511,946,553.47, 706,481,214.09 and 276,992,058.69

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Solution

The fourth proportional to 511,946,553.47, 706,481,214.09 and 276,992,058.69 is: 382,246,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,946,553.47 : 706,481,214.09 = 276,992,058.69 : x
  2. Step 2: Convert to fraction form
    511,946,553.47/706,481,214.09 = 276,992,058.69/x
  3. Step 3: Cross multiply
    511,946,553.47x = 706,481,214.09 × 276,992,058.69
  4. Step 4: Simplify right side
    511,946,553.47x = 195,689,685,916,599,744
  5. Step 5: Solve for x
    x = 195,689,685,916,599,744/511,946,553.47
  6. Step 6: Final answer
    x = 382,246,319.64

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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.