Finding the Fourth Proportional to 7,207,376,229.18, 10,807,123,219.68 and 5,722,943,317.95
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Solution
The fourth proportional to 7,207,376,229.18, 10,807,123,219.68 and 5,722,943,317.95 is: 8,581,285,567.68
Step by Step Solution
- Step 1: Write the proportion equation
7,207,376,229.18 : 10,807,123,219.68 = 5,722,943,317.95 : x - Step 2: Convert to fraction form
7,207,376,229.18/10,807,123,219.68 = 5,722,943,317.95/x - Step 3: Cross multiply
7,207,376,229.18x = 10,807,123,219.68 × 5,722,943,317.95 - Step 4: Simplify right side
7,207,376,229.18x = 61,848,553,616,329,949,184 - Step 5: Solve for x
x = 61,848,553,616,329,949,184/7,207,376,229.18 - Step 6: Final answer
x = 8,581,285,567.68
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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.