Home / 403,406,974.71-556,958,664-329,244,438.53

Finding the Fourth Proportional to 403,406,974.71, 556,958,664 and 329,244,438.53

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Solution

The fourth proportional to 403,406,974.71, 556,958,664 and 329,244,438.53 is: 454,567,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,406,974.71 : 556,958,664 = 329,244,438.53 : x
  2. Step 2: Convert to fraction form
    403,406,974.71/556,958,664 = 329,244,438.53/x
  3. Step 3: Cross multiply
    403,406,974.71x = 556,958,664 × 329,244,438.53
  4. Step 4: Simplify right side
    403,406,974.71x = 183,375,542,610,314,112
  5. Step 5: Solve for x
    x = 183,375,542,610,314,112/403,406,974.71
  6. Step 6: Final answer
    x = 454,567,109.91

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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.