Finding the Fourth Proportional to 609,376,371.46, 840,936,763.29 and 330,915,599.62
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Solution
The fourth proportional to 609,376,371.46, 840,936,763.29 and 330,915,599.62 is: 456,662,099.65
Step by Step Solution
- Step 1: Write the proportion equation
609,376,371.46 : 840,936,763.29 = 330,915,599.62 : x - Step 2: Convert to fraction form
609,376,371.46/840,936,763.29 = 330,915,599.62/x - Step 3: Cross multiply
609,376,371.46x = 840,936,763.29 × 330,915,599.62 - Step 4: Simplify right side
609,376,371.46x = 278,279,093,266,612,352 - Step 5: Solve for x
x = 278,279,093,266,612,352/609,376,371.46 - Step 6: Final answer
x = 456,662,099.65
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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.