Finding the Fourth Proportional to 1,115,313,602.40, 1,672,970,403.60 and 994,782,783.60
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Solution
The fourth proportional to 1,115,313,602.40, 1,672,970,403.60 and 994,782,783.60 is: 1,492,174,175.40
Step by Step Solution
- Step 1: Write the proportion equation
1,115,313,602.40 : 1,672,970,403.60 = 994,782,783.60 : x - Step 2: Convert to fraction form
1,115,313,602.40/1,672,970,403.60 = 994,782,783.60/x - Step 3: Cross multiply
1,115,313,602.40x = 1,672,970,403.60 × 994,782,783.60 - Step 4: Simplify right side
1,115,313,602.40x = 1,664,242,154,973,623,296 - Step 5: Solve for x
x = 1,664,242,154,973,623,296/1,115,313,602.40 - Step 6: Final answer
x = 1,492,174,175.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.