Finding the Fourth Proportional to 518,228,825.84, 714,981,161.28 and 295,052,599.99
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Solution
The fourth proportional to 518,228,825.84, 714,981,161.28 and 295,052,599.99 is: 407,073,169.35
Step by Step Solution
- Step 1: Write the proportion equation
518,228,825.84 : 714,981,161.28 = 295,052,599.99 : x - Step 2: Convert to fraction form
518,228,825.84/714,981,161.28 = 295,052,599.99/x - Step 3: Cross multiply
518,228,825.84x = 714,981,161.28 × 295,052,599.99 - Step 4: Simplify right side
518,228,825.84x = 210,957,050,581,533,696 - Step 5: Solve for x
x = 210,957,050,581,533,696/518,228,825.84 - Step 6: Final answer
x = 407,073,169.35
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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.