Finding the Fourth Proportional to 1,134,952,930.85, 1,566,235,716.26 and 633,161,716.20
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Solution
The fourth proportional to 1,134,952,930.85, 1,566,235,716.26 and 633,161,716.20 is: 873,763,543.07
Step by Step Solution
- Step 1: Write the proportion equation
1,134,952,930.85 : 1,566,235,716.26 = 633,161,716.20 : x - Step 2: Convert to fraction form
1,134,952,930.85/1,566,235,716.26 = 633,161,716.20/x - Step 3: Cross multiply
1,134,952,930.85x = 1,566,235,716.26 × 633,161,716.20 - Step 4: Simplify right side
1,134,952,930.85x = 991,680,494,077,752,192 - Step 5: Solve for x
x = 991,680,494,077,752,192/1,134,952,930.85 - Step 6: Final answer
x = 873,763,543.07
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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.