Home / 721,193,517,805.32-1,081,825,066,358.30-237,137,021,091.18

Finding the Fourth Proportional to 721,193,517,805.32, 1,081,825,066,358.30 and 237,137,021,091.18

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Solution

The fourth proportional to 721,193,517,805.32, 1,081,825,066,358.30 and 237,137,021,091.18 is: 355,716,970,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,193,517,805.32 : 1,081,825,066,358.30 = 237,137,021,091.18 : x
  2. Step 2: Convert to fraction form
    721,193,517,805.32/1,081,825,066,358.30 = 237,137,021,091.18/x
  3. Step 3: Cross multiply
    721,193,517,805.32x = 1,081,825,066,358.30 × 237,137,021,091.18
  4. Step 4: Simplify right side
    721,193,517,805.32x = 256,540,773,577,975,387,914,240
  5. Step 5: Solve for x
    x = 256,540,773,577,975,387,914,240/721,193,517,805.32
  6. Step 6: Final answer
    x = 355,716,970,888.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.