Home / 893,617,837.85-1,233,203,773.01-491,777,818.49

Finding the Fourth Proportional to 893,617,837.85, 1,233,203,773.01 and 491,777,818.49

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Solution

The fourth proportional to 893,617,837.85, 1,233,203,773.01 and 491,777,818.49 is: 678,659,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,617,837.85 : 1,233,203,773.01 = 491,777,818.49 : x
  2. Step 2: Convert to fraction form
    893,617,837.85/1,233,203,773.01 = 491,777,818.49/x
  3. Step 3: Cross multiply
    893,617,837.85x = 1,233,203,773.01 × 491,777,818.49
  4. Step 4: Simplify right side
    893,617,837.85x = 606,462,261,245,119,104
  5. Step 5: Solve for x
    x = 606,462,261,245,119,104/893,617,837.85
  6. Step 6: Final answer
    x = 678,659,529.34

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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.