Finding the Fourth Proportional to 603,620,110.70, 905,430,166.05 and 603,620,110.70
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Solution
The fourth proportional to 603,620,110.70, 905,430,166.05 and 603,620,110.70 is: 905,430,166.05
Step by Step Solution
- Step 1: Write the proportion equation
603,620,110.70 : 905,430,166.05 = 603,620,110.70 : x - Step 2: Convert to fraction form
603,620,110.70/905,430,166.05 = 603,620,110.70/x - Step 3: Cross multiply
603,620,110.70x = 905,430,166.05 × 603,620,110.70 - Step 4: Simplify right side
603,620,110.70x = 546,535,857,062,220,416 - Step 5: Solve for x
x = 546,535,857,062,220,416/603,620,110.70 - Step 6: Final answer
x = 905,430,166.05
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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.