Home / 659,789,330,345.51-989,149,919,742.63-206,274,792,419.55

Finding the Fourth Proportional to 659,789,330,345.51, 989,149,919,742.63 and 206,274,792,419.55

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Solution

The fourth proportional to 659,789,330,345.51, 989,149,919,742.63 and 206,274,792,419.55 is: 309,245,216,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,789,330,345.51 : 989,149,919,742.63 = 206,274,792,419.55 : x
  2. Step 2: Convert to fraction form
    659,789,330,345.51/989,149,919,742.63 = 206,274,792,419.55/x
  3. Step 3: Cross multiply
    659,789,330,345.51x = 989,149,919,742.63 × 206,274,792,419.55
  4. Step 4: Simplify right side
    659,789,330,345.51x = 204,036,694,366,725,519,441,920
  5. Step 5: Solve for x
    x = 204,036,694,366,725,519,441,920/659,789,330,345.51
  6. Step 6: Final answer
    x = 309,245,216,590.39

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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.