Home / 1,771,578,076.07-2,444,730,361.11-978,606,988.36

Finding the Fourth Proportional to 1,771,578,076.07, 2,444,730,361.11 and 978,606,988.36

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Solution

The fourth proportional to 1,771,578,076.07, 2,444,730,361.11 and 978,606,988.36 is: 1,350,451,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,578,076.07 : 2,444,730,361.11 = 978,606,988.36 : x
  2. Step 2: Convert to fraction form
    1,771,578,076.07/2,444,730,361.11 = 978,606,988.36/x
  3. Step 3: Cross multiply
    1,771,578,076.07x = 2,444,730,361.11 × 978,606,988.36
  4. Step 4: Simplify right side
    1,771,578,076.07x = 2,392,430,216,031,951,872
  5. Step 5: Solve for x
    x = 2,392,430,216,031,951,872/1,771,578,076.07
  6. Step 6: Final answer
    x = 1,350,451,469.42

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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.