Finding the Fourth Proportional to 537,857,687.15, 742,224,012.79 and 299,690,566.19
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Solution
The fourth proportional to 537,857,687.15, 742,224,012.79 and 299,690,566.19 is: 413,562,062.88
Step by Step Solution
- Step 1: Write the proportion equation
537,857,687.15 : 742,224,012.79 = 299,690,566.19 : x - Step 2: Convert to fraction form
537,857,687.15/742,224,012.79 = 299,690,566.19/x - Step 3: Cross multiply
537,857,687.15x = 742,224,012.79 × 299,690,566.19 - Step 4: Simplify right side
537,857,687.15x = 222,437,534,632,848,896 - Step 5: Solve for x
x = 222,437,534,632,848,896/537,857,687.15 - Step 6: Final answer
x = 413,562,062.88
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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.