Finding the Fourth Proportional to 922,753,080.90, 1,384,129,621.35 and 890,504,453.70
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Solution
The fourth proportional to 922,753,080.90, 1,384,129,621.35 and 890,504,453.70 is: 1,335,756,680.55
Step by Step Solution
- Step 1: Write the proportion equation
922,753,080.90 : 1,384,129,621.35 = 890,504,453.70 : x - Step 2: Convert to fraction form
922,753,080.90/1,384,129,621.35 = 890,504,453.70/x - Step 3: Cross multiply
922,753,080.90x = 1,384,129,621.35 × 890,504,453.70 - Step 4: Simplify right side
922,753,080.90x = 1,232,573,592,310,269,696 - Step 5: Solve for x
x = 1,232,573,592,310,269,696/922,753,080.90 - Step 6: Final answer
x = 1,335,756,680.55
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1.5x scale
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.