Home / 1,869,994,285,936.80-2,805,414,388,161.40-1,009,449,984,675.60

Finding the Fourth Proportional to 1,869,994,285,936.80, 2,805,414,388,161.40 and 1,009,449,984,675.60

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Solution

The fourth proportional to 1,869,994,285,936.80, 2,805,414,388,161.40 and 1,009,449,984,675.60 is: 1,514,403,296,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,994,285,936.80 : 2,805,414,388,161.40 = 1,009,449,984,675.60 : x
  2. Step 2: Convert to fraction form
    1,869,994,285,936.80/2,805,414,388,161.40 = 1,009,449,984,675.60/x
  3. Step 3: Cross multiply
    1,869,994,285,936.80x = 2,805,414,388,161.40 × 1,009,449,984,675.60
  4. Step 4: Simplify right side
    1,869,994,285,936.80x = 2,831,925,511,138,232,852,545,536
  5. Step 5: Solve for x
    x = 2,831,925,511,138,232,852,545,536/1,869,994,285,936.80
  6. Step 6: Final answer
    x = 1,514,403,296,542.45

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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.