Home / 1,861,908,563.23-2,571,886,481.93-1,380,077,293.17

Finding the Fourth Proportional to 1,861,908,563.23, 2,571,886,481.93 and 1,380,077,293.17

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Solution

The fourth proportional to 1,861,908,563.23, 2,571,886,481.93 and 1,380,077,293.17 is: 1,906,324,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,908,563.23 : 2,571,886,481.93 = 1,380,077,293.17 : x
  2. Step 2: Convert to fraction form
    1,861,908,563.23/2,571,886,481.93 = 1,380,077,293.17/x
  3. Step 3: Cross multiply
    1,861,908,563.23x = 2,571,886,481.93 × 1,380,077,293.17
  4. Step 4: Simplify right side
    1,861,908,563.23x = 3,549,402,134,322,468,352
  5. Step 5: Solve for x
    x = 3,549,402,134,322,468,352/1,861,908,563.23
  6. Step 6: Final answer
    x = 1,906,324,620.03

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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.