Finding the Fourth Proportional to 803,901,446.70, 1,205,852,170.05 and 343,886,117.10
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Solution
The fourth proportional to 803,901,446.70, 1,205,852,170.05 and 343,886,117.10 is: 515,829,175.65
Step by Step Solution
- Step 1: Write the proportion equation
803,901,446.70 : 1,205,852,170.05 = 343,886,117.10 : x - Step 2: Convert to fraction form
803,901,446.70/1,205,852,170.05 = 343,886,117.10/x - Step 3: Cross multiply
803,901,446.70x = 1,205,852,170.05 × 343,886,117.10 - Step 4: Simplify right side
803,901,446.70x = 414,675,820,555,103,424 - Step 5: Solve for x
x = 414,675,820,555,103,424/803,901,446.70 - Step 6: Final answer
x = 515,829,175.65
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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.