Finding the Fourth Proportional to 524,504,848.14, 723,797,715.12 and 289,550,463.62
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Solution
The fourth proportional to 524,504,848.14, 723,797,715.12 and 289,550,463.62 is: 399,569,164.56
Step by Step Solution
- Step 1: Write the proportion equation
524,504,848.14 : 723,797,715.12 = 289,550,463.62 : x - Step 2: Convert to fraction form
524,504,848.14/723,797,715.12 = 289,550,463.62/x - Step 3: Cross multiply
524,504,848.14x = 723,797,715.12 × 289,550,463.62 - Step 4: Simplify right side
524,504,848.14x = 209,575,963,976,473,696 - Step 5: Solve for x
x = 209,575,963,976,473,696/524,504,848.14 - Step 6: Final answer
x = 399,569,164.56
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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.