Finding the Fourth Proportional to 3,125,995,414.05, 4,688,993,121.08 and 1,285,136,278.05
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Solution
The fourth proportional to 3,125,995,414.05, 4,688,993,121.08 and 1,285,136,278.05 is: 1,927,704,417.08
Step by Step Solution
- Step 1: Write the proportion equation
3,125,995,414.05 : 4,688,993,121.08 = 1,285,136,278.05 : x - Step 2: Convert to fraction form
3,125,995,414.05/4,688,993,121.08 = 1,285,136,278.05/x - Step 3: Cross multiply
3,125,995,414.05x = 4,688,993,121.08 × 1,285,136,278.05 - Step 4: Simplify right side
3,125,995,414.05x = 6,025,995,167,420,378,112 - Step 5: Solve for x
x = 6,025,995,167,420,378,112/3,125,995,414.05 - Step 6: Final answer
x = 1,927,704,417.08
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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.