Home / 13,055,320,550.34-18,016,234,058.12-7,339,630,454.39

Finding the Fourth Proportional to 13,055,320,550.34, 18,016,234,058.12 and 7,339,630,454.39

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Solution

The fourth proportional to 13,055,320,550.34, 18,016,234,058.12 and 7,339,630,454.39 is: 10,128,629,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,320,550.34 : 18,016,234,058.12 = 7,339,630,454.39 : x
  2. Step 2: Convert to fraction form
    13,055,320,550.34/18,016,234,058.12 = 7,339,630,454.39/x
  3. Step 3: Cross multiply
    13,055,320,550.34x = 18,016,234,058.12 × 7,339,630,454.39
  4. Step 4: Simplify right side
    13,055,320,550.34x = 132,232,500,166,404,243,456
  5. Step 5: Solve for x
    x = 132,232,500,166,404,243,456/13,055,320,550.34
  6. Step 6: Final answer
    x = 10,128,629,140.63

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Double scale
Find fourth proportional to 13,055,320,551.34, 18,016,234,059.50 and 7,339,630,455.39
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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.