Finding the Fourth Proportional to 2,540,527,272.50, 3,810,368,234.70 and 769,476,916.63
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Solution
The fourth proportional to 2,540,527,272.50, 3,810,368,234.70 and 769,476,916.63 is: 1,154,087,355.09
Step by Step Solution
- Step 1: Write the proportion equation
2,540,527,272.50 : 3,810,368,234.70 = 769,476,916.63 : x - Step 2: Convert to fraction form
2,540,527,272.50/3,810,368,234.70 = 769,476,916.63/x - Step 3: Cross multiply
2,540,527,272.50x = 3,810,368,234.70 × 769,476,916.63 - Step 4: Simplify right side
2,540,527,272.50x = 2,931,990,400,461,852,160 - Step 5: Solve for x
x = 2,931,990,400,461,852,160/2,540,527,272.50 - Step 6: Final answer
x = 1,154,087,355.09
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1.5x scale
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.