Home / 1,305,813,728,999.50-1,802,028,388,967.10-719,850,701,915.79

Finding the Fourth Proportional to 1,305,813,728,999.50, 1,802,028,388,967.10 and 719,850,701,915.79

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Solution

The fourth proportional to 1,305,813,728,999.50, 1,802,028,388,967.10 and 719,850,701,915.79 is: 993,396,969,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,813,728,999.50 : 1,802,028,388,967.10 = 719,850,701,915.79 : x
  2. Step 2: Convert to fraction form
    1,305,813,728,999.50/1,802,028,388,967.10 = 719,850,701,915.79/x
  3. Step 3: Cross multiply
    1,305,813,728,999.50x = 1,802,028,388,967.10 × 719,850,701,915.79
  4. Step 4: Simplify right side
    1,305,813,728,999.50x = 1,297,191,400,670,147,196,747,776
  5. Step 5: Solve for x
    x = 1,297,191,400,670,147,196,747,776/1,305,813,728,999.50
  6. Step 6: Final answer
    x = 993,396,969,155.81

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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.