Finding the Fourth Proportional to 545,354,968.19, 818,147,355.74 and 176,861,187.42
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Solution
The fourth proportional to 545,354,968.19, 818,147,355.74 and 176,861,187.42 is: 265,329,044.87
Step by Step Solution
- Step 1: Write the proportion equation
545,354,968.19 : 818,147,355.74 = 176,861,187.42 : x - Step 2: Convert to fraction form
545,354,968.19/818,147,355.74 = 176,861,187.42/x - Step 3: Cross multiply
545,354,968.19x = 818,147,355.74 × 176,861,187.42 - Step 4: Simplify right side
545,354,968.19x = 144,698,512,822,591,104 - Step 5: Solve for x
x = 144,698,512,822,591,104/545,354,968.19 - Step 6: Final answer
x = 265,329,044.87
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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.