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