Finding the Fourth Proportional to 351,269,722.56, 484,751,737.12 and 194,646,969.12
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Solution
The fourth proportional to 351,269,722.56, 484,751,737.12 and 194,646,969.12 is: 268,612,551.40
Step by Step Solution
- Step 1: Write the proportion equation
351,269,722.56 : 484,751,737.12 = 194,646,969.12 : x - Step 2: Convert to fraction form
351,269,722.56/484,751,737.12 = 194,646,969.12/x - Step 3: Cross multiply
351,269,722.56x = 484,751,737.12 × 194,646,969.12 - Step 4: Simplify right side
351,269,722.56x = 94,355,456,406,063,008 - Step 5: Solve for x
x = 94,355,456,406,063,008/351,269,722.56 - Step 6: Final answer
x = 268,612,551.40
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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.