Finding the Fourth Proportional to 2,898,508,803.60, 4,347,763,205.40 and 717,474,939.60
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Solution
The fourth proportional to 2,898,508,803.60, 4,347,763,205.40 and 717,474,939.60 is: 1,076,212,409.40
Step by Step Solution
- Step 1: Write the proportion equation
2,898,508,803.60 : 4,347,763,205.40 = 717,474,939.60 : x - Step 2: Convert to fraction form
2,898,508,803.60/4,347,763,205.40 = 717,474,939.60/x - Step 3: Cross multiply
2,898,508,803.60x = 4,347,763,205.40 × 717,474,939.60 - Step 4: Simplify right side
2,898,508,803.60x = 3,119,411,143,189,467,136 - Step 5: Solve for x
x = 3,119,411,143,189,467,136/2,898,508,803.60 - Step 6: Final answer
x = 1,076,212,409.40
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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.