Finding the Fourth Proportional to 3,395,143,505.80, 4,685,298,263.30 and 1,889,737,550.09
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Solution
The fourth proportional to 3,395,143,505.80, 4,685,298,263.30 and 1,889,737,550.09 is: 2,607,837,944.52
Step by Step Solution
- Step 1: Write the proportion equation
3,395,143,505.80 : 4,685,298,263.30 = 1,889,737,550.09 : x - Step 2: Convert to fraction form
3,395,143,505.80/4,685,298,263.30 = 1,889,737,550.09/x - Step 3: Cross multiply
3,395,143,505.80x = 4,685,298,263.30 × 1,889,737,550.09 - Step 4: Simplify right side
3,395,143,505.80x = 8,853,984,061,529,474,048 - Step 5: Solve for x
x = 8,853,984,061,529,474,048/3,395,143,505.80 - Step 6: Final answer
x = 2,607,837,944.52
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1.5x scale
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.