Finding the Fourth Proportional to 2,269,121,113.53, 3,131,387,267.54 and 1,226,079,577.53
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Solution
The fourth proportional to 2,269,121,113.53, 3,131,387,267.54 and 1,226,079,577.53 is: 1,691,989,887.70
Step by Step Solution
- Step 1: Write the proportion equation
2,269,121,113.53 : 3,131,387,267.54 = 1,226,079,577.53 : x - Step 2: Convert to fraction form
2,269,121,113.53/3,131,387,267.54 = 1,226,079,577.53/x - Step 3: Cross multiply
2,269,121,113.53x = 3,131,387,267.54 × 1,226,079,577.53 - Step 4: Simplify right side
2,269,121,113.53x = 3,839,329,978,062,133,760 - Step 5: Solve for x
x = 3,839,329,978,062,133,760/2,269,121,113.53 - Step 6: Final answer
x = 1,691,989,887.70
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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.