Finding the Fourth Proportional to 18,318,246,627.20, 27,477,369,940.80 and 18,318,246,627.20
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Solution
The fourth proportional to 18,318,246,627.20, 27,477,369,940.80 and 18,318,246,627.20 is: 27,477,369,940.80
Step by Step Solution
- Step 1: Write the proportion equation
18,318,246,627.20 : 27,477,369,940.80 = 18,318,246,627.20 : x - Step 2: Convert to fraction form
18,318,246,627.20/27,477,369,940.80 = 18,318,246,627.20/x - Step 3: Cross multiply
18,318,246,627.20x = 27,477,369,940.80 × 18,318,246,627.20 - Step 4: Simplify right side
18,318,246,627.20x = 503,337,239,242,386,243,584 - Step 5: Solve for x
x = 503,337,239,242,386,243,584/18,318,246,627.20 - Step 6: Final answer
x = 27,477,369,940.80
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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.