Finding the Fourth Proportional to 75,036,393,709.02, 103,552,022,393.46 and 40,743,545,647.14
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Solution
The fourth proportional to 75,036,393,709.02, 103,552,022,393.46 and 40,743,545,647.14 is: 56,227,069,861.63
Step by Step Solution
- Step 1: Write the proportion equation
75,036,393,709.02 : 103,552,022,393.46 = 40,743,545,647.14 : x - Step 2: Convert to fraction form
75,036,393,709.02/103,552,022,393.46 = 40,743,545,647.14/x - Step 3: Cross multiply
75,036,393,709.02x = 103,552,022,393.46 × 40,743,545,647.14 - Step 4: Simplify right side
75,036,393,709.02x = 4,219,076,551,241,601,384,448 - Step 5: Solve for x
x = 4,219,076,551,241,601,384,448/75,036,393,709.02 - Step 6: Final answer
x = 56,227,069,861.63
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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.