Home / 355,310,523.14-490,290,773.31-196,515,412.47

Finding the Fourth Proportional to 355,310,523.14, 490,290,773.31 and 196,515,412.47

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Solution

The fourth proportional to 355,310,523.14, 490,290,773.31 and 196,515,412.47 is: 271,170,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,310,523.14 : 490,290,773.31 = 196,515,412.47 : x
  2. Step 2: Convert to fraction form
    355,310,523.14/490,290,773.31 = 196,515,412.47/x
  3. Step 3: Cross multiply
    355,310,523.14x = 490,290,773.31 × 196,515,412.47
  4. Step 4: Simplify right side
    355,310,523.14x = 96,349,693,547,249,920
  5. Step 5: Solve for x
    x = 96,349,693,547,249,920/355,310,523.14
  6. Step 6: Final answer
    x = 271,170,391.18

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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.