Home / 1,153,171,508,675.10-1,728,546,413,597.40-387,994,009,940.80

Finding the Fourth Proportional to 1,153,171,508,675.10, 1,728,546,413,597.40 and 387,994,009,940.80

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Solution

The fourth proportional to 1,153,171,508,675.10, 1,728,546,413,597.40 and 387,994,009,940.80 is: 581,583,614,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,171,508,675.10 : 1,728,546,413,597.40 = 387,994,009,940.80 : x
  2. Step 2: Convert to fraction form
    1,153,171,508,675.10/1,728,546,413,597.40 = 387,994,009,940.80/x
  3. Step 3: Cross multiply
    1,153,171,508,675.10x = 1,728,546,413,597.40 × 387,994,009,940.80
  4. Step 4: Simplify right side
    1,153,171,508,675.10x = 670,665,654,380,443,696,365,568
  5. Step 5: Solve for x
    x = 670,665,654,380,443,696,365,568/1,153,171,508,675.10
  6. Step 6: Final answer
    x = 581,583,614,696.64

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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.