Home / 311,502,559.41-429,825,772.62-179,318,015.46

Finding the Fourth Proportional to 311,502,559.41, 429,825,772.62 and 179,318,015.46

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Solution

The fourth proportional to 311,502,559.41, 429,825,772.62 and 179,318,015.46 is: 247,431,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,502,559.41 : 429,825,772.62 = 179,318,015.46 : x
  2. Step 2: Convert to fraction form
    311,502,559.41/429,825,772.62 = 179,318,015.46/x
  3. Step 3: Cross multiply
    311,502,559.41x = 429,825,772.62 × 179,318,015.46
  4. Step 4: Simplify right side
    311,502,559.41x = 77,075,504,539,779,616
  5. Step 5: Solve for x
    x = 77,075,504,539,779,616/311,502,559.41
  6. Step 6: Final answer
    x = 247,431,368.42

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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.