Finding the Fourth Proportional to 403,406,974.84, 556,958,664.17 and 329,244,438.65
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Solution
The fourth proportional to 403,406,974.84, 556,958,664.17 and 329,244,438.65 is: 454,567,110.07
Step by Step Solution
- Step 1: Write the proportion equation
403,406,974.84 : 556,958,664.17 = 329,244,438.65 : x - Step 2: Convert to fraction form
403,406,974.84/556,958,664.17 = 329,244,438.65/x - Step 3: Cross multiply
403,406,974.84x = 556,958,664.17 × 329,244,438.65 - Step 4: Simplify right side
403,406,974.84x = 183,375,542,733,120,704 - Step 5: Solve for x
x = 183,375,542,733,120,704/403,406,974.84 - Step 6: Final answer
x = 454,567,110.07
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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.