Home / 745,504,661.12-1,028,799,550.24-410,969,841.62

Finding the Fourth Proportional to 745,504,661.12, 1,028,799,550.24 and 410,969,841.62

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Solution

The fourth proportional to 745,504,661.12, 1,028,799,550.24 and 410,969,841.62 is: 567,140,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,504,661.12 : 1,028,799,550.24 = 410,969,841.62 : x
  2. Step 2: Convert to fraction form
    745,504,661.12/1,028,799,550.24 = 410,969,841.62/x
  3. Step 3: Cross multiply
    745,504,661.12x = 1,028,799,550.24 × 410,969,841.62
  4. Step 4: Simplify right side
    745,504,661.12x = 422,805,588,220,860,032
  5. Step 5: Solve for x
    x = 422,805,588,220,860,032/745,504,661.12
  6. Step 6: Final answer
    x = 567,140,100.22

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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.