Home / 1,635,507,340.40-2,453,261,010.60-990,534,796.40

Finding the Fourth Proportional to 1,635,507,340.40, 2,453,261,010.60 and 990,534,796.40

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Solution

The fourth proportional to 1,635,507,340.40, 2,453,261,010.60 and 990,534,796.40 is: 1,485,802,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,507,340.40 : 2,453,261,010.60 = 990,534,796.40 : x
  2. Step 2: Convert to fraction form
    1,635,507,340.40/2,453,261,010.60 = 990,534,796.40/x
  3. Step 3: Cross multiply
    1,635,507,340.40x = 2,453,261,010.60 × 990,534,796.40
  4. Step 4: Simplify right side
    1,635,507,340.40x = 2,430,040,395,650,728,960
  5. Step 5: Solve for x
    x = 2,430,040,395,650,728,960/1,635,507,340.40
  6. Step 6: Final answer
    x = 1,485,802,194.60

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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.