Finding the Fourth Proportional to 347,408,029,431.88, 520,813,589,871.98 and 120,738,032,231.08
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Solution
The fourth proportional to 347,408,029,431.88, 520,813,589,871.98 and 120,738,032,231.08 is: 181,003,323,680.17
Step by Step Solution
- Step 1: Write the proportion equation
347,408,029,431.88 : 520,813,589,871.98 = 120,738,032,231.08 : x - Step 2: Convert to fraction form
347,408,029,431.88/520,813,589,871.98 = 120,738,032,231.08/x - Step 3: Cross multiply
347,408,029,431.88x = 520,813,589,871.98 × 120,738,032,231.08 - Step 4: Simplify right side
347,408,029,431.88x = 62,882,008,000,347,599,011,840 - Step 5: Solve for x
x = 62,882,008,000,347,599,011,840/347,408,029,431.88 - Step 6: Final answer
x = 181,003,323,680.17
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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.