Finding the Fourth Proportional to 2,912,257,076.10, 4,368,385,614.15 and 1,880,301,005.70
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Solution
The fourth proportional to 2,912,257,076.10, 4,368,385,614.15 and 1,880,301,005.70 is: 2,820,451,508.55
Step by Step Solution
- Step 1: Write the proportion equation
2,912,257,076.10 : 4,368,385,614.15 = 1,880,301,005.70 : x - Step 2: Convert to fraction form
2,912,257,076.10/4,368,385,614.15 = 1,880,301,005.70/x - Step 3: Cross multiply
2,912,257,076.10x = 4,368,385,614.15 × 1,880,301,005.70 - Step 4: Simplify right side
2,912,257,076.10x = 8,213,879,863,571,656,704 - Step 5: Solve for x
x = 8,213,879,863,571,656,704/2,912,257,076.10 - Step 6: Final answer
x = 2,820,451,508.55
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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.