Finding the Fourth Proportional to 3,543,264,369.80, 5,314,896,554.70 and 1,089,282,408.20
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Solution
The fourth proportional to 3,543,264,369.80, 5,314,896,554.70 and 1,089,282,408.20 is: 1,633,923,612.30
Step by Step Solution
- Step 1: Write the proportion equation
3,543,264,369.80 : 5,314,896,554.70 = 1,089,282,408.20 : x - Step 2: Convert to fraction form
3,543,264,369.80/5,314,896,554.70 = 1,089,282,408.20/x - Step 3: Cross multiply
3,543,264,369.80x = 5,314,896,554.70 × 1,089,282,408.20 - Step 4: Simplify right side
3,543,264,369.80x = 5,789,423,318,437,498,880 - Step 5: Solve for x
x = 5,789,423,318,437,498,880/3,543,264,369.80 - Step 6: Final answer
x = 1,633,923,612.30
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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.