Finding the Fourth Proportional to 280,336,781,576.08, 386,859,715,695.08 and 158,398,897,963.53
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Solution
The fourth proportional to 280,336,781,576.08, 386,859,715,695.08 and 158,398,897,963.53 is: 218,587,629,807.53
Step by Step Solution
- Step 1: Write the proportion equation
280,336,781,576.08 : 386,859,715,695.08 = 158,398,897,963.53 : x - Step 2: Convert to fraction form
280,336,781,576.08/386,859,715,695.08 = 158,398,897,963.53/x - Step 3: Cross multiply
280,336,781,576.08x = 386,859,715,695.08 × 158,398,897,963.53 - Step 4: Simplify right side
280,336,781,576.08x = 61,278,152,632,585,204,793,344 - Step 5: Solve for x
x = 61,278,152,632,585,204,793,344/280,336,781,576.08 - Step 6: Final answer
x = 218,587,629,807.53
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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.