Home / 869,793,696.33-1,200,315,496.68-478,653,120.33

Finding the Fourth Proportional to 869,793,696.33, 1,200,315,496.68 and 478,653,120.33

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Solution

The fourth proportional to 869,793,696.33, 1,200,315,496.68 and 478,653,120.33 is: 660,541,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,793,696.33 : 1,200,315,496.68 = 478,653,120.33 : x
  2. Step 2: Convert to fraction form
    869,793,696.33/1,200,315,496.68 = 478,653,120.33/x
  3. Step 3: Cross multiply
    869,793,696.33x = 1,200,315,496.68 × 478,653,120.33
  4. Step 4: Simplify right side
    869,793,696.33x = 574,534,757,866,335,744
  5. Step 5: Solve for x
    x = 574,534,757,866,335,744/869,793,696.33
  6. Step 6: Final answer
    x = 660,541,413.77

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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.