Home / 12,197,795,152.68-18,297,533,249.55-5,108,139,775.62

Finding the Fourth Proportional to 12,197,795,152.68, 18,297,533,249.55 and 5,108,139,775.62

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Solution

The fourth proportional to 12,197,795,152.68, 18,297,533,249.55 and 5,108,139,775.62 is: 7,662,561,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,795,152.68 : 18,297,533,249.55 = 5,108,139,775.62 : x
  2. Step 2: Convert to fraction form
    12,197,795,152.68/18,297,533,249.55 = 5,108,139,775.62/x
  3. Step 3: Cross multiply
    12,197,795,152.68x = 18,297,533,249.55 × 5,108,139,775.62
  4. Step 4: Simplify right side
    12,197,795,152.68x = 93,466,357,387,755,814,912
  5. Step 5: Solve for x
    x = 93,466,357,387,755,814,912/12,197,795,152.68
  6. Step 6: Final answer
    x = 7,662,561,652.97

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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.