Home / 419,134,893,894.80-628,702,340,842.20-154,084,434,707.60

Finding the Fourth Proportional to 419,134,893,894.80, 628,702,340,842.20 and 154,084,434,707.60

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Solution

The fourth proportional to 419,134,893,894.80, 628,702,340,842.20 and 154,084,434,707.60 is: 231,126,652,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,134,893,894.80 : 628,702,340,842.20 = 154,084,434,707.60 : x
  2. Step 2: Convert to fraction form
    419,134,893,894.80/628,702,340,842.20 = 154,084,434,707.60/x
  3. Step 3: Cross multiply
    419,134,893,894.80x = 628,702,340,842.20 × 154,084,434,707.60
  4. Step 4: Simplify right side
    419,134,893,894.80x = 96,873,244,788,015,245,557,760
  5. Step 5: Solve for x
    x = 96,873,244,788,015,245,557,760/419,134,893,894.80
  6. Step 6: Final answer
    x = 231,126,652,061.40

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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.