Finding the Fourth Proportional to 3,553,734,935.80, 5,330,602,403.70 and 2,520,613,631.80
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Solution
The fourth proportional to 3,553,734,935.80, 5,330,602,403.70 and 2,520,613,631.80 is: 3,780,920,447.70
Step by Step Solution
- Step 1: Write the proportion equation
3,553,734,935.80 : 5,330,602,403.70 = 2,520,613,631.80 : x - Step 2: Convert to fraction form
3,553,734,935.80/5,330,602,403.70 = 2,520,613,631.80/x - Step 3: Cross multiply
3,553,734,935.80x = 5,330,602,403.70 × 2,520,613,631.80 - Step 4: Simplify right side
3,553,734,935.80x = 13,436,389,084,472,068,096 - Step 5: Solve for x
x = 13,436,389,084,472,068,096/3,553,734,935.80 - Step 6: Final answer
x = 3,780,920,447.70
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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.