Finding the Fourth Proportional to 776,844,408.72, 1,164,481,439.64 and 334,475,638.96
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Solution
The fourth proportional to 776,844,408.72, 1,164,481,439.64 and 334,475,638.96 is: 501,375,396.68
Step by Step Solution
- Step 1: Write the proportion equation
776,844,408.72 : 1,164,481,439.64 = 334,475,638.96 : x - Step 2: Convert to fraction form
776,844,408.72/1,164,481,439.64 = 334,475,638.96/x - Step 3: Cross multiply
776,844,408.72x = 1,164,481,439.64 × 334,475,638.96 - Step 4: Simplify right side
776,844,408.72x = 389,490,673,580,649,664 - Step 5: Solve for x
x = 389,490,673,580,649,664/776,844,408.72 - Step 6: Final answer
x = 501,375,396.68
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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.