Home / 1,169,168,007.42-1,613,451,291.75-699,269,319.18

Finding the Fourth Proportional to 1,169,168,007.42, 1,613,451,291.75 and 699,269,319.18

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Solution

The fourth proportional to 1,169,168,007.42, 1,613,451,291.75 and 699,269,319.18 is: 964,991,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,168,007.42 : 1,613,451,291.75 = 699,269,319.18 : x
  2. Step 2: Convert to fraction form
    1,169,168,007.42/1,613,451,291.75 = 699,269,319.18/x
  3. Step 3: Cross multiply
    1,169,168,007.42x = 1,613,451,291.75 × 699,269,319.18
  4. Step 4: Simplify right side
    1,169,168,007.42x = 1,128,236,986,312,113,920
  5. Step 5: Solve for x
    x = 1,128,236,986,312,113,920/1,169,168,007.42
  6. Step 6: Final answer
    x = 964,991,326.44

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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.