Finding the Fourth Proportional to 5,207,697,060.40, 7,811,545,590.60 and 1,330,303,524.40
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Solution
The fourth proportional to 5,207,697,060.40, 7,811,545,590.60 and 1,330,303,524.40 is: 1,995,455,286.60
Step by Step Solution
- Step 1: Write the proportion equation
5,207,697,060.40 : 7,811,545,590.60 = 1,330,303,524.40 : x - Step 2: Convert to fraction form
5,207,697,060.40/7,811,545,590.60 = 1,330,303,524.40/x - Step 3: Cross multiply
5,207,697,060.40x = 7,811,545,590.60 × 1,330,303,524.40 - Step 4: Simplify right side
5,207,697,060.40x = 10,391,726,630,186,461,184 - Step 5: Solve for x
x = 10,391,726,630,186,461,184/5,207,697,060.40 - Step 6: Final answer
x = 1,995,455,286.60
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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.