Finding the Fourth Proportional to 2,319,527,740.80, 3,200,948,809.92 and 1,276,486,204.80
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Solution
The fourth proportional to 2,319,527,740.80, 3,200,948,809.92 and 1,276,486,204.80 is: 1,761,551,252.98
Step by Step Solution
- Step 1: Write the proportion equation
2,319,527,740.80 : 3,200,948,809.92 = 1,276,486,204.80 : x - Step 2: Convert to fraction form
2,319,527,740.80/3,200,948,809.92 = 1,276,486,204.80/x - Step 3: Cross multiply
2,319,527,740.80x = 3,200,948,809.92 × 1,276,486,204.80 - Step 4: Simplify right side
2,319,527,740.80x = 4,085,966,998,133,857,280 - Step 5: Solve for x
x = 4,085,966,998,133,857,280/2,319,527,740.80 - Step 6: Final answer
x = 1,761,551,252.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.