Finding the Fourth Proportional to 1,134,952,931.34, 1,566,235,716.96 and 633,161,716.70
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Solution
The fourth proportional to 1,134,952,931.34, 1,566,235,716.96 and 633,161,716.70 is: 873,763,543.78
Step by Step Solution
- Step 1: Write the proportion equation
1,134,952,931.34 : 1,566,235,716.96 = 633,161,716.70 : x - Step 2: Convert to fraction form
1,134,952,931.34/1,566,235,716.96 = 633,161,716.70/x - Step 3: Cross multiply
1,134,952,931.34x = 1,566,235,716.96 × 633,161,716.70 - Step 4: Simplify right side
1,134,952,931.34x = 991,680,495,307,249,024 - Step 5: Solve for x
x = 991,680,495,307,249,024/1,134,952,931.34 - Step 6: Final answer
x = 873,763,543.78
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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.