Home / 3,161,100,780-4,362,319,076.40-1,770,378,732

Finding the Fourth Proportional to 3,161,100,780, 4,362,319,076.40 and 1,770,378,732

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Solution

The fourth proportional to 3,161,100,780, 4,362,319,076.40 and 1,770,378,732 is: 2,443,122,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,100,780 : 4,362,319,076.40 = 1,770,378,732 : x
  2. Step 2: Convert to fraction form
    3,161,100,780/4,362,319,076.40 = 1,770,378,732/x
  3. Step 3: Cross multiply
    3,161,100,780x = 4,362,319,076.40 × 1,770,378,732
  4. Step 4: Simplify right side
    3,161,100,780x = 7,722,956,915,056,442,368
  5. Step 5: Solve for x
    x = 7,722,956,915,056,442,368/3,161,100,780
  6. Step 6: Final answer
    x = 2,443,122,650.16

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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.