Home / 779,238,884.37-1,075,336,369.97-422,003,758.53

Finding the Fourth Proportional to 779,238,884.37, 1,075,336,369.97 and 422,003,758.53

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Solution

The fourth proportional to 779,238,884.37, 1,075,336,369.97 and 422,003,758.53 is: 582,357,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,238,884.37 : 1,075,336,369.97 = 422,003,758.53 : x
  2. Step 2: Convert to fraction form
    779,238,884.37/1,075,336,369.97 = 422,003,758.53/x
  3. Step 3: Cross multiply
    779,238,884.37x = 1,075,336,369.97 × 422,003,758.53
  4. Step 4: Simplify right side
    779,238,884.37x = 453,795,989,809,236,544
  5. Step 5: Solve for x
    x = 453,795,989,809,236,544/779,238,884.37
  6. Step 6: Final answer
    x = 582,357,989.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.