Finding the Fourth Proportional to 1,076,211,674.72, 1,614,317,533.36 and 258,323,975.84
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Solution
The fourth proportional to 1,076,211,674.72, 1,614,317,533.36 and 258,323,975.84 is: 387,485,968.87
Step by Step Solution
- Step 1: Write the proportion equation
1,076,211,674.72 : 1,614,317,533.36 = 258,323,975.84 : x - Step 2: Convert to fraction form
1,076,211,674.72/1,614,317,533.36 = 258,323,975.84/x - Step 3: Cross multiply
1,076,211,674.72x = 1,614,317,533.36 × 258,323,975.84 - Step 4: Simplify right side
1,076,211,674.72x = 417,016,923,485,777,024 - Step 5: Solve for x
x = 417,016,923,485,777,024/1,076,211,674.72 - Step 6: Final answer
x = 387,485,968.87
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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.