Finding the Fourth Proportional to 613,368,334.18, 920,339,811.56 and 302,306,378.84
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Solution
The fourth proportional to 613,368,334.18, 920,339,811.56 and 302,306,378.84 is: 453,601,172.79
Step by Step Solution
- Step 1: Write the proportion equation
613,368,334.18 : 920,339,811.56 = 302,306,378.84 : x - Step 2: Convert to fraction form
613,368,334.18/920,339,811.56 = 302,306,378.84/x - Step 3: Cross multiply
613,368,334.18x = 920,339,811.56 × 302,306,378.84 - Step 4: Simplify right side
613,368,334.18x = 278,224,595,734,991,520 - Step 5: Solve for x
x = 278,224,595,734,991,520/613,368,334.18 - Step 6: Final answer
x = 453,601,172.79
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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.