Home / 661,562,302,722.78-991,754,725,504.91-258,554,124,837.68

Finding the Fourth Proportional to 661,562,302,722.78, 991,754,725,504.91 and 258,554,124,837.68

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Solution

The fourth proportional to 661,562,302,722.78, 991,754,725,504.91 and 258,554,124,837.68 is: 387,601,098,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,562,302,722.78 : 991,754,725,504.91 = 258,554,124,837.68 : x
  2. Step 2: Convert to fraction form
    661,562,302,722.78/991,754,725,504.91 = 258,554,124,837.68/x
  3. Step 3: Cross multiply
    661,562,302,722.78x = 991,754,725,504.91 × 258,554,124,837.68
  4. Step 4: Simplify right side
    661,562,302,722.78x = 256,422,275,106,555,553,644,544
  5. Step 5: Solve for x
    x = 256,422,275,106,555,553,644,544/661,562,302,722.78
  6. Step 6: Final answer
    x = 387,601,098,265.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.