Finding the Fourth Proportional to 878,414,559.92, 1,317,575,433.97 and 288,127,044.81
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Solution
The fourth proportional to 878,414,559.92, 1,317,575,433.97 and 288,127,044.81 is: 432,175,345.70
Step by Step Solution
- Step 1: Write the proportion equation
878,414,559.92 : 1,317,575,433.97 = 288,127,044.81 : x - Step 2: Convert to fraction form
878,414,559.92/1,317,575,433.97 = 288,127,044.81/x - Step 3: Cross multiply
878,414,559.92x = 1,317,575,433.97 × 288,127,044.81 - Step 4: Simplify right side
878,414,559.92x = 379,629,116,104,029,376 - Step 5: Solve for x
x = 379,629,116,104,029,376/878,414,559.92 - Step 6: Final answer
x = 432,175,345.70
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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.