Home / 12,270,944,356.80-18,406,416,535.20-8,515,994,827.20

Finding the Fourth Proportional to 12,270,944,356.80, 18,406,416,535.20 and 8,515,994,827.20

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Solution

The fourth proportional to 12,270,944,356.80, 18,406,416,535.20 and 8,515,994,827.20 is: 12,773,992,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270,944,356.80 : 18,406,416,535.20 = 8,515,994,827.20 : x
  2. Step 2: Convert to fraction form
    12,270,944,356.80/18,406,416,535.20 = 8,515,994,827.20/x
  3. Step 3: Cross multiply
    12,270,944,356.80x = 18,406,416,535.20 × 8,515,994,827.20
  4. Step 4: Simplify right side
    12,270,944,356.80x = 156,748,948,001,051,738,112
  5. Step 5: Solve for x
    x = 156,748,948,001,051,738,112/12,270,944,356.80
  6. Step 6: Final answer
    x = 12,773,992,240.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.