Finding the Fourth Proportional to 54,492,181,903.80, 81,738,272,855.70 and 39,798,901,135.80
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Solution
The fourth proportional to 54,492,181,903.80, 81,738,272,855.70 and 39,798,901,135.80 is: 59,698,351,703.70
Step by Step Solution
- Step 1: Write the proportion equation
54,492,181,903.80 : 81,738,272,855.70 = 39,798,901,135.80 : x - Step 2: Convert to fraction form
54,492,181,903.80/81,738,272,855.70 = 39,798,901,135.80/x - Step 3: Cross multiply
54,492,181,903.80x = 81,738,272,855.70 × 39,798,901,135.80 - Step 4: Simplify right side
54,492,181,903.80x = 3,253,093,440,395,049,172,992 - Step 5: Solve for x
x = 3,253,093,440,395,049,172,992/54,492,181,903.80 - Step 6: Final answer
x = 59,698,351,703.70
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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.