Home / 1,613,994,261.21-2,227,243,263.21-899,491,794.45

Finding the Fourth Proportional to 1,613,994,261.21, 2,227,243,263.21 and 899,491,794.45

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Solution

The fourth proportional to 1,613,994,261.21, 2,227,243,263.21 and 899,491,794.45 is: 1,241,260,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,994,261.21 : 2,227,243,263.21 = 899,491,794.45 : x
  2. Step 2: Convert to fraction form
    1,613,994,261.21/2,227,243,263.21 = 899,491,794.45/x
  3. Step 3: Cross multiply
    1,613,994,261.21x = 2,227,243,263.21 × 899,491,794.45
  4. Step 4: Simplify right side
    1,613,994,261.21x = 2,003,387,039,501,436,672
  5. Step 5: Solve for x
    x = 2,003,387,039,501,436,672/1,613,994,261.21
  6. Step 6: Final answer
    x = 1,241,260,323.94

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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.