Home / 864,448,496.25-1,192,939,293.77-467,971,476.22

Finding the Fourth Proportional to 864,448,496.25, 1,192,939,293.77 and 467,971,476.22

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Solution

The fourth proportional to 864,448,496.25, 1,192,939,293.77 and 467,971,476.22 is: 645,800,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,448,496.25 : 1,192,939,293.77 = 467,971,476.22 : x
  2. Step 2: Convert to fraction form
    864,448,496.25/1,192,939,293.77 = 467,971,476.22/x
  3. Step 3: Cross multiply
    864,448,496.25x = 1,192,939,293.77 × 467,971,476.22
  4. Step 4: Simplify right side
    864,448,496.25x = 558,261,562,346,391,168
  5. Step 5: Solve for x
    x = 558,261,562,346,391,168/864,448,496.25
  6. Step 6: Final answer
    x = 645,800,836.91

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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.