Finding the Fourth Proportional to 379,853,465.39, 569,677,687.91 and 134,177,758.07
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Solution
The fourth proportional to 379,853,465.39, 569,677,687.91 and 134,177,758.07 is: 201,230,426.86
Step by Step Solution
- Step 1: Write the proportion equation
379,853,465.39 : 569,677,687.91 = 134,177,758.07 : x - Step 2: Convert to fraction form
379,853,465.39/569,677,687.91 = 134,177,758.07/x - Step 3: Cross multiply
379,853,465.39x = 569,677,687.91 × 134,177,758.07 - Step 4: Simplify right side
379,853,465.39x = 76,438,074,982,745,664 - Step 5: Solve for x
x = 76,438,074,982,745,664/379,853,465.39 - Step 6: Final answer
x = 201,230,426.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.