Finding the Fourth Proportional to 395,139,124.41, 592,478,939.70 and 149,514,733.68
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Solution
The fourth proportional to 395,139,124.41, 592,478,939.70 and 149,514,733.68 is: 224,185,167.72
Step by Step Solution
- Step 1: Write the proportion equation
395,139,124.41 : 592,478,939.70 = 149,514,733.68 : x - Step 2: Convert to fraction form
395,139,124.41/592,478,939.70 = 149,514,733.68/x - Step 3: Cross multiply
395,139,124.41x = 592,478,939.70 × 149,514,733.68 - Step 4: Simplify right side
395,139,124.41x = 88,584,330,880,254,288 - Step 5: Solve for x
x = 88,584,330,880,254,288/395,139,124.41 - Step 6: Final answer
x = 224,185,167.72
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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.