Finding the Fourth Proportional to 649,162,227.44, 895,865,538.84 and 355,807,547.12
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Solution
The fourth proportional to 649,162,227.44, 895,865,538.84 and 355,807,547.12 is: 491,026,289.65
Step by Step Solution
- Step 1: Write the proportion equation
649,162,227.44 : 895,865,538.84 = 355,807,547.12 : x - Step 2: Convert to fraction form
649,162,227.44/895,865,538.84 = 355,807,547.12/x - Step 3: Cross multiply
649,162,227.44x = 895,865,538.84 × 355,807,547.12 - Step 4: Simplify right side
649,162,227.44x = 318,755,719,923,997,504 - Step 5: Solve for x
x = 318,755,719,923,997,504/649,162,227.44 - Step 6: Final answer
x = 491,026,289.65
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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.