Finding the Fourth Proportional to 9,586,091,981.70, 14,379,137,972.55 and 4,426,311,629.70
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Solution
The fourth proportional to 9,586,091,981.70, 14,379,137,972.55 and 4,426,311,629.70 is: 6,639,467,444.55
Step by Step Solution
- Step 1: Write the proportion equation
9,586,091,981.70 : 14,379,137,972.55 = 4,426,311,629.70 : x - Step 2: Convert to fraction form
9,586,091,981.70/14,379,137,972.55 = 4,426,311,629.70/x - Step 3: Cross multiply
9,586,091,981.70x = 14,379,137,972.55 × 4,426,311,629.70 - Step 4: Simplify right side
9,586,091,981.70x = 63,646,545,632,958,939,136 - Step 5: Solve for x
x = 63,646,545,632,958,939,136/9,586,091,981.70 - Step 6: Final answer
x = 6,639,467,444.55
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Double scale
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1.5x scale
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.