Finding the Fourth Proportional to 664,848,309.70, 997,272,464.55 and 302,051,253.70
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Solution
The fourth proportional to 664,848,309.70, 997,272,464.55 and 302,051,253.70 is: 453,076,880.55
Step by Step Solution
- Step 1: Write the proportion equation
664,848,309.70 : 997,272,464.55 = 302,051,253.70 : x - Step 2: Convert to fraction form
664,848,309.70/997,272,464.55 = 302,051,253.70/x - Step 3: Cross multiply
664,848,309.70x = 997,272,464.55 × 302,051,253.70 - Step 4: Simplify right side
664,848,309.70x = 301,227,398,197,816,256 - Step 5: Solve for x
x = 301,227,398,197,816,256/664,848,309.70 - Step 6: Final answer
x = 453,076,880.55
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Similar ratio
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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.