Finding the Fourth Proportional to 395,139,126.91, 592,478,943.45 and 149,514,736.18
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Solution
The fourth proportional to 395,139,126.91, 592,478,943.45 and 149,514,736.18 is: 224,185,171.47
Step by Step Solution
- Step 1: Write the proportion equation
395,139,126.91 : 592,478,943.45 = 149,514,736.18 : x - Step 2: Convert to fraction form
395,139,126.91/592,478,943.45 = 149,514,736.18/x - Step 3: Cross multiply
395,139,126.91x = 592,478,943.45 × 149,514,736.18 - Step 4: Simplify right side
395,139,126.91x = 88,584,332,922,131,904 - Step 5: Solve for x
x = 88,584,332,922,131,904/395,139,126.91 - Step 6: Final answer
x = 224,185,171.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.