Home / 1,293,274,249.54-1,784,719,180.48-698,558,731.18

Finding the Fourth Proportional to 1,293,274,249.54, 1,784,719,180.48 and 698,558,731.18

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Solution

The fourth proportional to 1,293,274,249.54, 1,784,719,180.48 and 698,558,731.18 is: 964,011,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,274,249.54 : 1,784,719,180.48 = 698,558,731.18 : x
  2. Step 2: Convert to fraction form
    1,293,274,249.54/1,784,719,180.48 = 698,558,731.18/x
  3. Step 3: Cross multiply
    1,293,274,249.54x = 1,784,719,180.48 × 698,558,731.18
  4. Step 4: Simplify right side
    1,293,274,249.54x = 1,246,731,166,228,718,080
  5. Step 5: Solve for x
    x = 1,246,731,166,228,718,080/1,293,274,249.54
  6. Step 6: Final answer
    x = 964,011,435.84

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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.