Finding the Fourth Proportional to 292,735,711.27, 403,971,469.95 and 167,286,479.83
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Solution
The fourth proportional to 292,735,711.27, 403,971,469.95 and 167,286,479.83 is: 230,853,163.99
Step by Step Solution
- Step 1: Write the proportion equation
292,735,711.27 : 403,971,469.95 = 167,286,479.83 : x - Step 2: Convert to fraction form
292,735,711.27/403,971,469.95 = 167,286,479.83/x - Step 3: Cross multiply
292,735,711.27x = 403,971,469.95 × 167,286,479.83 - Step 4: Simplify right side
292,735,711.27x = 67,578,965,159,686,128 - Step 5: Solve for x
x = 67,578,965,159,686,128/292,735,711.27 - Step 6: Final answer
x = 230,853,163.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.