Home / 19,291,965,512.54-28,928,012,210.21-8,659,074,515.11

Finding the Fourth Proportional to 19,291,965,512.54, 28,928,012,210.21 and 8,659,074,515.11

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Solution

The fourth proportional to 19,291,965,512.54, 28,928,012,210.21 and 8,659,074,515.11 is: 12,984,152,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,965,512.54 : 28,928,012,210.21 = 8,659,074,515.11 : x
  2. Step 2: Convert to fraction form
    19,291,965,512.54/28,928,012,210.21 = 8,659,074,515.11/x
  3. Step 3: Cross multiply
    19,291,965,512.54x = 28,928,012,210.21 × 8,659,074,515.11
  4. Step 4: Simplify right side
    19,291,965,512.54x = 250,489,813,302,168,190,976
  5. Step 5: Solve for x
    x = 250,489,813,302,168,190,976/19,291,965,512.54
  6. Step 6: Final answer
    x = 12,984,152,036.73

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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.