Home / 1,100,879,025.52-1,519,212,615.72-605,841,734.32

Finding the Fourth Proportional to 1,100,879,025.52, 1,519,212,615.72 and 605,841,734.32

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Solution

The fourth proportional to 1,100,879,025.52, 1,519,212,615.72 and 605,841,734.32 is: 836,061,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,879,025.52 : 1,519,212,615.72 = 605,841,734.32 : x
  2. Step 2: Convert to fraction form
    1,100,879,025.52/1,519,212,615.72 = 605,841,734.32/x
  3. Step 3: Cross multiply
    1,100,879,025.52x = 1,519,212,615.72 × 605,841,734.32
  4. Step 4: Simplify right side
    1,100,879,025.52x = 920,402,405,908,628,608
  5. Step 5: Solve for x
    x = 920,402,405,908,628,608/1,100,879,025.52
  6. Step 6: Final answer
    x = 836,061,351.49

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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.