Home / 20,525,712,880.19-28,325,483,772.32-11,138,339,056.19

Finding the Fourth Proportional to 20,525,712,880.19, 28,325,483,772.32 and 11,138,339,056.19

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Solution

The fourth proportional to 20,525,712,880.19, 28,325,483,772.32 and 11,138,339,056.19 is: 15,370,907,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525,712,880.19 : 28,325,483,772.32 = 11,138,339,056.19 : x
  2. Step 2: Convert to fraction form
    20,525,712,880.19/28,325,483,772.32 = 11,138,339,056.19/x
  3. Step 3: Cross multiply
    20,525,712,880.19x = 28,325,483,772.32 × 11,138,339,056.19
  4. Step 4: Simplify right side
    20,525,712,880.19x = 315,498,842,186,599,694,336
  5. Step 5: Solve for x
    x = 315,498,842,186,599,694,336/20,525,712,880.19
  6. Step 6: Final answer
    x = 15,370,907,896.27

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1.5x scale

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.