Finding the Fourth Proportional to 7,207,376,223.92, 10,807,123,211.82 and 5,722,943,312.68
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Solution
The fourth proportional to 7,207,376,223.92, 10,807,123,211.82 and 5,722,943,312.68 is: 8,581,285,559.81
Step by Step Solution
- Step 1: Write the proportion equation
7,207,376,223.92 : 10,807,123,211.82 = 5,722,943,312.68 : x - Step 2: Convert to fraction form
7,207,376,223.92/10,807,123,211.82 = 5,722,943,312.68/x - Step 3: Cross multiply
7,207,376,223.92x = 10,807,123,211.82 × 5,722,943,312.68 - Step 4: Simplify right side
7,207,376,223.92x = 61,848,553,514,367,049,728 - Step 5: Solve for x
x = 61,848,553,514,367,049,728/7,207,376,223.92 - Step 6: Final answer
x = 8,581,285,559.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.