Finding the Fourth Proportional to 351,366,218.58, 484,885,426.79 and 194,743,437.06
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Solution
The fourth proportional to 351,366,218.58, 484,885,426.79 and 194,743,437.06 is: 268,745,968.17
Step by Step Solution
- Step 1: Write the proportion equation
351,366,218.58 : 484,885,426.79 = 194,743,437.06 : x - Step 2: Convert to fraction form
351,366,218.58/484,885,426.79 = 194,743,437.06/x - Step 3: Cross multiply
351,366,218.58x = 484,885,426.79 × 194,743,437.06 - Step 4: Simplify right side
351,366,218.58x = 94,428,254,593,389,616 - Step 5: Solve for x
x = 94,428,254,593,389,616/351,366,218.58 - Step 6: Final answer
x = 268,745,968.17
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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.