Finding the Fourth Proportional to 664,006,125.40, 994,217,597.70 and 664,006,125.40
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Solution
The fourth proportional to 664,006,125.40, 994,217,597.70 and 664,006,125.40 is: 994,217,597.70
Step by Step Solution
- Step 1: Write the proportion equation
664,006,125.40 : 994,217,597.70 = 664,006,125.40 : x - Step 2: Convert to fraction form
664,006,125.40/994,217,597.70 = 664,006,125.40/x - Step 3: Cross multiply
664,006,125.40x = 994,217,597.70 × 664,006,125.40 - Step 4: Simplify right side
664,006,125.40x = 660,166,574,853,272,960 - Step 5: Solve for x
x = 660,166,574,853,272,960/664,006,125.40 - Step 6: Final answer
x = 994,217,597.70
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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.