Finding the Fourth Proportional to 292,735,708.28, 403,971,465.81 and 167,286,476.83
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Solution
The fourth proportional to 292,735,708.28, 403,971,465.81 and 167,286,476.83 is: 230,853,159.84
Step by Step Solution
- Step 1: Write the proportion equation
292,735,708.28 : 403,971,465.81 = 167,286,476.83 : x - Step 2: Convert to fraction form
292,735,708.28/403,971,465.81 = 167,286,476.83/x - Step 3: Cross multiply
292,735,708.28x = 403,971,465.81 × 167,286,476.83 - Step 4: Simplify right side
292,735,708.28x = 67,578,963,255,205,704 - Step 5: Solve for x
x = 67,578,963,255,205,704/292,735,708.28 - Step 6: Final answer
x = 230,853,159.84
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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.