Home / 253,987,189,317.12-350,499,539,736.96-139,799,368,957.44

Finding the Fourth Proportional to 253,987,189,317.12, 350,499,539,736.96 and 139,799,368,957.44

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Solution

The fourth proportional to 253,987,189,317.12, 350,499,539,736.96 and 139,799,368,957.44 is: 192,921,598,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,987,189,317.12 : 350,499,539,736.96 = 139,799,368,957.44 : x
  2. Step 2: Convert to fraction form
    253,987,189,317.12/350,499,539,736.96 = 139,799,368,957.44/x
  3. Step 3: Cross multiply
    253,987,189,317.12x = 350,499,539,736.96 × 139,799,368,957.44
  4. Step 4: Simplify right side
    253,987,189,317.12x = 48,999,614,475,100,175,204,352
  5. Step 5: Solve for x
    x = 48,999,614,475,100,175,204,352/253,987,189,317.12
  6. Step 6: Final answer
    x = 192,921,598,159.51

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1.5x scale

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.