Finding the Fourth Proportional to 472,198,880.80, 707,349,729.12 and 235,134,195.76
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Solution
The fourth proportional to 472,198,880.80, 707,349,729.12 and 235,134,195.76 is: 352,228,936.66
Step by Step Solution
- Step 1: Write the proportion equation
472,198,880.80 : 707,349,729.12 = 235,134,195.76 : x - Step 2: Convert to fraction form
472,198,880.80/707,349,729.12 = 235,134,195.76/x - Step 3: Cross multiply
472,198,880.80x = 707,349,729.12 × 235,134,195.76 - Step 4: Simplify right side
472,198,880.80x = 166,322,109,677,685,056 - Step 5: Solve for x
x = 166,322,109,677,685,056/472,198,880.80 - Step 6: Final answer
x = 352,228,936.66
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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.