Finding the Fourth Proportional to 3,553,734,934.80, 5,330,602,402.20 and 2,520,613,630.80
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Solution
The fourth proportional to 3,553,734,934.80, 5,330,602,402.20 and 2,520,613,630.80 is: 3,780,920,446.20
Step by Step Solution
- Step 1: Write the proportion equation
3,553,734,934.80 : 5,330,602,402.20 = 2,520,613,630.80 : x - Step 2: Convert to fraction form
3,553,734,934.80/5,330,602,402.20 = 2,520,613,630.80/x - Step 3: Cross multiply
3,553,734,934.80x = 5,330,602,402.20 × 2,520,613,630.80 - Step 4: Simplify right side
3,553,734,934.80x = 13,436,389,075,360,544,768 - Step 5: Solve for x
x = 13,436,389,075,360,544,768/3,553,734,934.80 - Step 6: Final answer
x = 3,780,920,446.20
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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.