Home / 1,191,744,827.30-1,787,874,540.88-362,763,293.78

Finding the Fourth Proportional to 1,191,744,827.30, 1,787,874,540.88 and 362,763,293.78

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Solution

The fourth proportional to 1,191,744,827.30, 1,787,874,540.88 and 362,763,293.78 is: 544,223,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,744,827.30 : 1,787,874,540.88 = 362,763,293.78 : x
  2. Step 2: Convert to fraction form
    1,191,744,827.30/1,787,874,540.88 = 362,763,293.78/x
  3. Step 3: Cross multiply
    1,191,744,827.30x = 1,787,874,540.88 × 362,763,293.78
  4. Step 4: Simplify right side
    1,191,744,827.30x = 648,575,257,315,034,112
  5. Step 5: Solve for x
    x = 648,575,257,315,034,112/1,191,744,827.30
  6. Step 6: Final answer
    x = 544,223,261.94

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1.5x scale

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.