Finding the Fourth Proportional to 3,545,855,996.40, 5,318,783,994.60 and 1,704,660,937.20
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Solution
The fourth proportional to 3,545,855,996.40, 5,318,783,994.60 and 1,704,660,937.20 is: 2,556,991,405.80
Step by Step Solution
- Step 1: Write the proportion equation
3,545,855,996.40 : 5,318,783,994.60 = 1,704,660,937.20 : x - Step 2: Convert to fraction form
3,545,855,996.40/5,318,783,994.60 = 1,704,660,937.20/x - Step 3: Cross multiply
3,545,855,996.40x = 5,318,783,994.60 × 1,704,660,937.20 - Step 4: Simplify right side
3,545,855,996.40x = 9,066,723,308,999,196,672 - Step 5: Solve for x
x = 9,066,723,308,999,196,672/3,545,855,996.40 - Step 6: Final answer
x = 2,556,991,405.80
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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.