Finding the Fourth Proportional to 314,341,661.80, 471,512,492.70 and 268,992,029.80
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Solution
The fourth proportional to 314,341,661.80, 471,512,492.70 and 268,992,029.80 is: 403,488,044.70
Step by Step Solution
- Step 1: Write the proportion equation
314,341,661.80 : 471,512,492.70 = 268,992,029.80 : x - Step 2: Convert to fraction form
314,341,661.80/471,512,492.70 = 268,992,029.80/x - Step 3: Cross multiply
314,341,661.80x = 471,512,492.70 × 268,992,029.80 - Step 4: Simplify right side
314,341,661.80x = 126,833,102,487,430,688 - Step 5: Solve for x
x = 126,833,102,487,430,688/314,341,661.80 - Step 6: Final answer
x = 403,488,044.70
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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.