Home / 1,305,813,729,001.60-1,802,028,388,969.80-719,850,701,917.80

Finding the Fourth Proportional to 1,305,813,729,001.60, 1,802,028,388,969.80 and 719,850,701,917.80

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Solution

The fourth proportional to 1,305,813,729,001.60, 1,802,028,388,969.80 and 719,850,701,917.80 is: 993,396,969,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,813,729,001.60 : 1,802,028,388,969.80 = 719,850,701,917.80 : x
  2. Step 2: Convert to fraction form
    1,305,813,729,001.60/1,802,028,388,969.80 = 719,850,701,917.80/x
  3. Step 3: Cross multiply
    1,305,813,729,001.60x = 1,802,028,388,969.80 × 719,850,701,917.80
  4. Step 4: Simplify right side
    1,305,813,729,001.60x = 1,297,191,400,675,712,937,492,480
  5. Step 5: Solve for x
    x = 1,297,191,400,675,712,937,492,480/1,305,813,729,001.60
  6. Step 6: Final answer
    x = 993,396,969,158.47

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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.