Finding the Fourth Proportional to 664,848,085.80, 997,272,128.70 and 302,051,029.80
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Solution
The fourth proportional to 664,848,085.80, 997,272,128.70 and 302,051,029.80 is: 453,076,544.70
Step by Step Solution
- Step 1: Write the proportion equation
664,848,085.80 : 997,272,128.70 = 302,051,029.80 : x - Step 2: Convert to fraction form
664,848,085.80/997,272,128.70 = 302,051,029.80/x - Step 3: Cross multiply
664,848,085.80x = 997,272,128.70 × 302,051,029.80 - Step 4: Simplify right side
664,848,085.80x = 301,227,073,464,673,152 - Step 5: Solve for x
x = 301,227,073,464,673,152/664,848,085.80 - Step 6: Final answer
x = 453,076,544.70
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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.