Home / 13,404,107,620.32-20,099,434,568.40-7,809,852,599.52

Finding the Fourth Proportional to 13,404,107,620.32, 20,099,434,568.40 and 7,809,852,599.52

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Solution

The fourth proportional to 13,404,107,620.32, 20,099,434,568.40 and 7,809,852,599.52 is: 11,710,859,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,107,620.32 : 20,099,434,568.40 = 7,809,852,599.52 : x
  2. Step 2: Convert to fraction form
    13,404,107,620.32/20,099,434,568.40 = 7,809,852,599.52/x
  3. Step 3: Cross multiply
    13,404,107,620.32x = 20,099,434,568.40 × 7,809,852,599.52
  4. Step 4: Simplify right side
    13,404,107,620.32x = 156,973,621,312,900,923,392
  5. Step 5: Solve for x
    x = 156,973,621,312,900,923,392/13,404,107,620.32
  6. Step 6: Final answer
    x = 11,710,859,518.54

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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.