Home / 12,518,928,191.20-18,778,392,286.80-8,845,607,999.20

Finding the Fourth Proportional to 12,518,928,191.20, 18,778,392,286.80 and 8,845,607,999.20

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Solution

The fourth proportional to 12,518,928,191.20, 18,778,392,286.80 and 8,845,607,999.20 is: 13,268,411,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518,928,191.20 : 18,778,392,286.80 = 8,845,607,999.20 : x
  2. Step 2: Convert to fraction form
    12,518,928,191.20/18,778,392,286.80 = 8,845,607,999.20/x
  3. Step 3: Cross multiply
    12,518,928,191.20x = 18,778,392,286.80 × 8,845,607,999.20
  4. Step 4: Simplify right side
    12,518,928,191.20x = 166,106,297,024,233,668,608
  5. Step 5: Solve for x
    x = 166,106,297,024,233,668,608/12,518,928,191.20
  6. Step 6: Final answer
    x = 13,268,411,998.80

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Half scale
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Double scale
Find fourth proportional to 12,518,928,192.20, 18,778,392,288.30 and 8,845,608,000.20
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.