Home / 1,536,789,036.36-2,120,769,554.94-831,940,995

Finding the Fourth Proportional to 1,536,789,036.36, 2,120,769,554.94 and 831,940,995

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Solution

The fourth proportional to 1,536,789,036.36, 2,120,769,554.94 and 831,940,995 is: 1,148,078,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,789,036.36 : 2,120,769,554.94 = 831,940,995 : x
  2. Step 2: Convert to fraction form
    1,536,789,036.36/2,120,769,554.94 = 831,940,995/x
  3. Step 3: Cross multiply
    1,536,789,036.36x = 2,120,769,554.94 × 831,940,995
  4. Step 4: Simplify right side
    1,536,789,036.36x = 1,764,355,133,702,490,880
  5. Step 5: Solve for x
    x = 1,764,355,133,702,490,880/1,536,789,036.36
  6. Step 6: Final answer
    x = 1,148,078,943.80

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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.