Finding the Fourth Proportional to 335,786,914.40, 463,420,423.12 and 201,868,185.76
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Solution
The fourth proportional to 335,786,914.40, 463,420,423.12 and 201,868,185.76 is: 278,598,825.77
Step by Step Solution
- Step 1: Write the proportion equation
335,786,914.40 : 463,420,423.12 = 201,868,185.76 : x - Step 2: Convert to fraction form
335,786,914.40/463,420,423.12 = 201,868,185.76/x - Step 3: Cross multiply
335,786,914.40x = 463,420,423.12 × 201,868,185.76 - Step 4: Simplify right side
335,786,914.40x = 93,549,840,059,365,952 - Step 5: Solve for x
x = 93,549,840,059,365,952/335,786,914.40 - Step 6: Final answer
x = 278,598,825.77
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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.