Finding the Fourth Proportional to 649,162,202.94, 895,865,505.03 and 355,807,522.62
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Solution
The fourth proportional to 649,162,202.94, 895,865,505.03 and 355,807,522.62 is: 491,026,255.84
Step by Step Solution
- Step 1: Write the proportion equation
649,162,202.94 : 895,865,505.03 = 355,807,522.62 : x - Step 2: Convert to fraction form
649,162,202.94/895,865,505.03 = 355,807,522.62/x - Step 3: Cross multiply
649,162,202.94x = 895,865,505.03 × 355,807,522.62 - Step 4: Simplify right side
649,162,202.94x = 318,755,685,945,439,424 - Step 5: Solve for x
x = 318,755,685,945,439,424/649,162,202.94 - Step 6: Final answer
x = 491,026,255.84
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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.