Finding the Fourth Proportional to 414,698,249.55, 572,285,534.92 and 226,529,153.99
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Solution
The fourth proportional to 414,698,249.55, 572,285,534.92 and 226,529,153.99 is: 312,611,297.98
Step by Step Solution
- Step 1: Write the proportion equation
414,698,249.55 : 572,285,534.92 = 226,529,153.99 : x - Step 2: Convert to fraction form
414,698,249.55/572,285,534.92 = 226,529,153.99/x - Step 3: Cross multiply
414,698,249.55x = 572,285,534.92 × 226,529,153.99 - Step 4: Simplify right side
414,698,249.55x = 129,639,358,063,280,768 - Step 5: Solve for x
x = 129,639,358,063,280,768/414,698,249.55 - Step 6: Final answer
x = 312,611,297.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.