Finding the Fourth Proportional to 809,137,452.18, 1,115,994,402.08 and 696,297,136.10
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Solution
The fourth proportional to 809,137,452.18, 1,115,994,402.08 and 696,297,136.10 is: 960,360,571.59
Step by Step Solution
- Step 1: Write the proportion equation
809,137,452.18 : 1,115,994,402.08 = 696,297,136.10 : x - Step 2: Convert to fraction form
809,137,452.18/1,115,994,402.08 = 696,297,136.10/x - Step 3: Cross multiply
809,137,452.18x = 1,115,994,402.08 × 696,297,136.10 - Step 4: Simplify right side
809,137,452.18x = 777,063,706,071,935,872 - Step 5: Solve for x
x = 777,063,706,071,935,872/809,137,452.18 - Step 6: Final answer
x = 960,360,571.59
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1.5x scale
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.