Finding the Fourth Proportional to 366,912,138.60, 550,368,207.90 and 338,852,053.80
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Solution
The fourth proportional to 366,912,138.60, 550,368,207.90 and 338,852,053.80 is: 508,278,080.70
Step by Step Solution
- Step 1: Write the proportion equation
366,912,138.60 : 550,368,207.90 = 338,852,053.80 : x - Step 2: Convert to fraction form
366,912,138.60/550,368,207.90 = 338,852,053.80/x - Step 3: Cross multiply
366,912,138.60x = 550,368,207.90 × 338,852,053.80 - Step 4: Simplify right side
366,912,138.60x = 186,493,397,593,140,384 - Step 5: Solve for x
x = 186,493,397,593,140,384/366,912,138.60 - Step 6: Final answer
x = 508,278,080.70
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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.