Finding the Fourth Proportional to 7,775,376,149.79, 10,730,012,153.18 and 4,388,998,230.99
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Solution
The fourth proportional to 7,775,376,149.79, 10,730,012,153.18 and 4,388,998,230.99 is: 6,056,813,644.97
Step by Step Solution
- Step 1: Write the proportion equation
7,775,376,149.79 : 10,730,012,153.18 = 4,388,998,230.99 : x - Step 2: Convert to fraction form
7,775,376,149.79/10,730,012,153.18 = 4,388,998,230.99/x - Step 3: Cross multiply
7,775,376,149.79x = 10,730,012,153.18 × 4,388,998,230.99 - Step 4: Simplify right side
7,775,376,149.79x = 47,094,004,358,786,269,184 - Step 5: Solve for x
x = 47,094,004,358,786,269,184/7,775,376,149.79 - Step 6: Final answer
x = 6,056,813,644.97
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1.5x scale
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.