Home / 1,296,660,848.51-1,789,391,591.88-701,944,891.60

Finding the Fourth Proportional to 1,296,660,848.51, 1,789,391,591.88 and 701,944,891.60

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Solution

The fourth proportional to 1,296,660,848.51, 1,789,391,591.88 and 701,944,891.60 is: 968,683,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,660,848.51 : 1,789,391,591.88 = 701,944,891.60 : x
  2. Step 2: Convert to fraction form
    1,296,660,848.51/1,789,391,591.88 = 701,944,891.60/x
  3. Step 3: Cross multiply
    1,296,660,848.51x = 1,789,391,591.88 × 701,944,891.60
  4. Step 4: Simplify right side
    1,296,660,848.51x = 1,256,054,286,992,158,208
  5. Step 5: Solve for x
    x = 1,256,054,286,992,158,208/1,296,660,848.51
  6. Step 6: Final answer
    x = 968,683,745.20

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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.