Finding the Fourth Proportional to 427,735,693.08, 641,500,808.88 and 197,483,550.84
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Solution
The fourth proportional to 427,735,693.08, 641,500,808.88 and 197,483,550.84 is: 296,177,895.96
Step by Step Solution
- Step 1: Write the proportion equation
427,735,693.08 : 641,500,808.88 = 197,483,550.84 : x - Step 2: Convert to fraction form
427,735,693.08/641,500,808.88 = 197,483,550.84/x - Step 3: Cross multiply
427,735,693.08x = 641,500,808.88 × 197,483,550.84 - Step 4: Simplify right side
427,735,693.08x = 126,685,857,604,354,608 - Step 5: Solve for x
x = 126,685,857,604,354,608/427,735,693.08 - Step 6: Final answer
x = 296,177,895.96
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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.