Home / 1,536,789,008.59-2,120,769,516.56-831,940,967.22

Finding the Fourth Proportional to 1,536,789,008.59, 2,120,769,516.56 and 831,940,967.22

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Solution

The fourth proportional to 1,536,789,008.59, 2,120,769,516.56 and 831,940,967.22 is: 1,148,078,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,789,008.59 : 2,120,769,516.56 = 831,940,967.22 : x
  2. Step 2: Convert to fraction form
    1,536,789,008.59/2,120,769,516.56 = 831,940,967.22/x
  3. Step 3: Cross multiply
    1,536,789,008.59x = 2,120,769,516.56 × 831,940,967.22
  4. Step 4: Simplify right side
    1,536,789,008.59x = 1,764,355,042,857,618,176
  5. Step 5: Solve for x
    x = 1,764,355,042,857,618,176/1,536,789,008.59
  6. Step 6: Final answer
    x = 1,148,078,905.43

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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.