Home / 771,122,067.03-1,064,118,606.44-418,689,991.35

Finding the Fourth Proportional to 771,122,067.03, 1,064,118,606.44 and 418,689,991.35

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Solution

The fourth proportional to 771,122,067.03, 1,064,118,606.44 and 418,689,991.35 is: 577,775,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,122,067.03 : 1,064,118,606.44 = 418,689,991.35 : x
  2. Step 2: Convert to fraction form
    771,122,067.03/1,064,118,606.44 = 418,689,991.35/x
  3. Step 3: Cross multiply
    771,122,067.03x = 1,064,118,606.44 × 418,689,991.35
  4. Step 4: Simplify right side
    771,122,067.03x = 445,535,810,123,644,224
  5. Step 5: Solve for x
    x = 445,535,810,123,644,224/771,122,067.03
  6. Step 6: Final answer
    x = 577,775,982.78

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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.