Finding the Fourth Proportional to 664,848,867.60, 997,273,301.40 and 204,727,249.80
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Solution
The fourth proportional to 664,848,867.60, 997,273,301.40 and 204,727,249.80 is: 307,090,874.70
Step by Step Solution
- Step 1: Write the proportion equation
664,848,867.60 : 997,273,301.40 = 204,727,249.80 : x - Step 2: Convert to fraction form
664,848,867.60/997,273,301.40 = 204,727,249.80/x - Step 3: Cross multiply
664,848,867.60x = 997,273,301.40 × 204,727,249.80 - Step 4: Simplify right side
664,848,867.60x = 204,169,020,294,588,512 - Step 5: Solve for x
x = 204,169,020,294,588,512/664,848,867.60 - Step 6: Final answer
x = 307,090,874.70
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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.