Home / 1,761,667,732.62-2,431,256,378.85-968,853,420

Finding the Fourth Proportional to 1,761,667,732.62, 2,431,256,378.85 and 968,853,420

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Solution

The fourth proportional to 1,761,667,732.62, 2,431,256,378.85 and 968,853,420 is: 1,337,102,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,667,732.62 : 2,431,256,378.85 = 968,853,420 : x
  2. Step 2: Convert to fraction form
    1,761,667,732.62/2,431,256,378.85 = 968,853,420/x
  3. Step 3: Cross multiply
    1,761,667,732.62x = 2,431,256,378.85 × 968,853,420
  4. Step 4: Simplify right side
    1,761,667,732.62x = 2,355,531,057,545,637,888
  5. Step 5: Solve for x
    x = 2,355,531,057,545,637,888/1,761,667,732.62
  6. Step 6: Final answer
    x = 1,337,102,913.30

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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.