Finding the Fourth Proportional to 3,532,588,820, 4,875,004,811.20 and 1,946,737,678.44
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Solution
The fourth proportional to 3,532,588,820, 4,875,004,811.20 and 1,946,737,678.44 is: 2,686,515,762.83
Step by Step Solution
- Step 1: Write the proportion equation
3,532,588,820 : 4,875,004,811.20 = 1,946,737,678.44 : x - Step 2: Convert to fraction form
3,532,588,820/4,875,004,811.20 = 1,946,737,678.44/x - Step 3: Cross multiply
3,532,588,820x = 4,875,004,811.20 × 1,946,737,678.44 - Step 4: Simplify right side
3,532,588,820x = 9,490,355,548,539,318,272 - Step 5: Solve for x
x = 9,490,355,548,539,318,272/3,532,588,820 - Step 6: Final answer
x = 2,686,515,762.83
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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.