Home / 4,759,823,405.25-7,139,765,532.65-1,398,380,630.43

Finding the Fourth Proportional to 4,759,823,405.25, 7,139,765,532.65 and 1,398,380,630.43

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Solution

The fourth proportional to 4,759,823,405.25, 7,139,765,532.65 and 1,398,380,630.43 is: 2,097,579,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759,823,405.25 : 7,139,765,532.65 = 1,398,380,630.43 : x
  2. Step 2: Convert to fraction form
    4,759,823,405.25/7,139,765,532.65 = 1,398,380,630.43/x
  3. Step 3: Cross multiply
    4,759,823,405.25x = 7,139,765,532.65 × 1,398,380,630.43
  4. Step 4: Simplify right side
    4,759,823,405.25x = 9,984,109,826,672,988,160
  5. Step 5: Solve for x
    x = 9,984,109,826,672,988,160/4,759,823,405.25
  6. Step 6: Final answer
    x = 2,097,579,884.09

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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.