Home / 769,669,532.27-1,154,387,648.09-209,475,015.01

Finding the Fourth Proportional to 769,669,532.27, 1,154,387,648.09 and 209,475,015.01

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Solution

The fourth proportional to 769,669,532.27, 1,154,387,648.09 and 209,475,015.01 is: 314,180,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,669,532.27 : 1,154,387,648.09 = 209,475,015.01 : x
  2. Step 2: Convert to fraction form
    769,669,532.27/1,154,387,648.09 = 209,475,015.01/x
  3. Step 3: Cross multiply
    769,669,532.27x = 1,154,387,648.09 × 209,475,015.01
  4. Step 4: Simplify right side
    769,669,532.27x = 241,815,369,912,978,016
  5. Step 5: Solve for x
    x = 241,815,369,912,978,016/769,669,532.27
  6. Step 6: Final answer
    x = 314,180,774.70

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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.