Home / 13,640,321,391.40-20,460,482,087.10-7,763,009,084.20

Finding the Fourth Proportional to 13,640,321,391.40, 20,460,482,087.10 and 7,763,009,084.20

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Solution

The fourth proportional to 13,640,321,391.40, 20,460,482,087.10 and 7,763,009,084.20 is: 11,644,513,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,321,391.40 : 20,460,482,087.10 = 7,763,009,084.20 : x
  2. Step 2: Convert to fraction form
    13,640,321,391.40/20,460,482,087.10 = 7,763,009,084.20/x
  3. Step 3: Cross multiply
    13,640,321,391.40x = 20,460,482,087.10 × 7,763,009,084.20
  4. Step 4: Simplify right side
    13,640,321,391.40x = 158,834,908,309,268,660,224
  5. Step 5: Solve for x
    x = 158,834,908,309,268,660,224/13,640,321,391.40
  6. Step 6: Final answer
    x = 11,644,513,626.30

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Double scale
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Similar ratio
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1.5x scale

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.