Home / 1,193,448,367.76-1,646,740,115.16-664,799,198

Finding the Fourth Proportional to 1,193,448,367.76, 1,646,740,115.16 and 664,799,198

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Solution

The fourth proportional to 1,193,448,367.76, 1,646,740,115.16 and 664,799,198 is: 917,301,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,448,367.76 : 1,646,740,115.16 = 664,799,198 : x
  2. Step 2: Convert to fraction form
    1,193,448,367.76/1,646,740,115.16 = 664,799,198/x
  3. Step 3: Cross multiply
    1,193,448,367.76x = 1,646,740,115.16 × 664,799,198
  4. Step 4: Simplify right side
    1,193,448,367.76x = 1,094,751,507,872,795,648
  5. Step 5: Solve for x
    x = 1,094,751,507,872,795,648/1,193,448,367.76
  6. Step 6: Final answer
    x = 917,301,106.14

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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.