Finding the Fourth Proportional to 598,917,481.74, 898,240,409.37 and 271,176,636.06
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Solution
The fourth proportional to 598,917,481.74, 898,240,409.37 and 271,176,636.06 is: 406,703,460.85
Step by Step Solution
- Step 1: Write the proportion equation
598,917,481.74 : 898,240,409.37 = 271,176,636.06 : x - Step 2: Convert to fraction form
598,917,481.74/898,240,409.37 = 271,176,636.06/x - Step 3: Cross multiply
598,917,481.74x = 898,240,409.37 × 271,176,636.06 - Step 4: Simplify right side
598,917,481.74x = 243,581,812,586,113,920 - Step 5: Solve for x
x = 243,581,812,586,113,920/598,917,481.74 - Step 6: Final answer
x = 406,703,460.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.