Home / 13,055,320,549.22-18,016,234,056.56-7,339,630,453.26

Finding the Fourth Proportional to 13,055,320,549.22, 18,016,234,056.56 and 7,339,630,453.26

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Solution

The fourth proportional to 13,055,320,549.22, 18,016,234,056.56 and 7,339,630,453.26 is: 10,128,629,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,320,549.22 : 18,016,234,056.56 = 7,339,630,453.26 : x
  2. Step 2: Convert to fraction form
    13,055,320,549.22/18,016,234,056.56 = 7,339,630,453.26/x
  3. Step 3: Cross multiply
    13,055,320,549.22x = 18,016,234,056.56 × 7,339,630,453.26
  4. Step 4: Simplify right side
    13,055,320,549.22x = 132,232,500,134,533,939,200
  5. Step 5: Solve for x
    x = 132,232,500,134,533,939,200/13,055,320,549.22
  6. Step 6: Final answer
    x = 10,128,629,139.06

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Double scale
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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.