Finding the Fourth Proportional to 1,731,639,689.20, 2,597,207,591.40 and 504,680,201.20
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Solution
The fourth proportional to 1,731,639,689.20, 2,597,207,591.40 and 504,680,201.20 is: 756,946,874.09
Step by Step Solution
- Step 1: Write the proportion equation
1,731,639,689.20 : 2,597,207,591.40 = 504,680,201.20 : x - Step 2: Convert to fraction form
1,731,639,689.20/2,597,207,591.40 = 504,680,201.20/x - Step 3: Cross multiply
1,731,639,689.20x = 2,597,207,591.40 × 504,680,201.20 - Step 4: Simplify right side
1,731,639,689.20x = 1,310,759,249,785,919,488 - Step 5: Solve for x
x = 1,310,759,249,785,919,488/1,731,639,689.20 - Step 6: Final answer
x = 756,946,874.09
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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.