Home / 1,820,097,636.78-2,730,932,969.59-978,757,015.48

Finding the Fourth Proportional to 1,820,097,636.78, 2,730,932,969.59 and 978,757,015.48

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Solution

The fourth proportional to 1,820,097,636.78, 2,730,932,969.59 and 978,757,015.48 is: 1,468,558,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,097,636.78 : 2,730,932,969.59 = 978,757,015.48 : x
  2. Step 2: Convert to fraction form
    1,820,097,636.78/2,730,932,969.59 = 978,757,015.48/x
  3. Step 3: Cross multiply
    1,820,097,636.78x = 2,730,932,969.59 × 978,757,015.48
  4. Step 4: Simplify right side
    1,820,097,636.78x = 2,672,919,802,791,842,304
  5. Step 5: Solve for x
    x = 2,672,919,802,791,842,304/1,820,097,636.78
  6. Step 6: Final answer
    x = 1,468,558,471.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.