Home / 2,643,323,608-3,965,437,129.56-1,089,765,675.64

Finding the Fourth Proportional to 2,643,323,608, 3,965,437,129.56 and 1,089,765,675.64

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Solution

The fourth proportional to 2,643,323,608, 3,965,437,129.56 and 1,089,765,675.64 is: 1,634,834,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,323,608 : 3,965,437,129.56 = 1,089,765,675.64 : x
  2. Step 2: Convert to fraction form
    2,643,323,608/3,965,437,129.56 = 1,089,765,675.64/x
  3. Step 3: Cross multiply
    2,643,323,608x = 3,965,437,129.56 × 1,089,765,675.64
  4. Step 4: Simplify right side
    2,643,323,608x = 4,321,397,272,702,896,128
  5. Step 5: Solve for x
    x = 4,321,397,272,702,896,128/2,643,323,608
  6. Step 6: Final answer
    x = 1,634,834,743.51

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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.