Home / 479,540,605.09-661,765,769.04-270,698,551.33

Finding the Fourth Proportional to 479,540,605.09, 661,765,769.04 and 270,698,551.33

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Solution

The fourth proportional to 479,540,605.09, 661,765,769.04 and 270,698,551.33 is: 373,563,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,540,605.09 : 661,765,769.04 = 270,698,551.33 : x
  2. Step 2: Convert to fraction form
    479,540,605.09/661,765,769.04 = 270,698,551.33/x
  3. Step 3: Cross multiply
    479,540,605.09x = 661,765,769.04 × 270,698,551.33
  4. Step 4: Simplify right side
    479,540,605.09x = 179,139,034,998,911,328
  5. Step 5: Solve for x
    x = 179,139,034,998,911,328/479,540,605.09
  6. Step 6: Final answer
    x = 373,563,850.69

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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.