Finding the Fourth Proportional to 314,319,328.70, 471,691,569.45 and 176,144,668.70
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Solution
The fourth proportional to 314,319,328.70, 471,691,569.45 and 176,144,668.70 is: 264,336,130.94
Step by Step Solution
- Step 1: Write the proportion equation
314,319,328.70 : 471,691,569.45 = 176,144,668.70 : x - Step 2: Convert to fraction form
314,319,328.70/471,691,569.45 = 176,144,668.70/x - Step 3: Cross multiply
314,319,328.70x = 471,691,569.45 × 176,144,668.70 - Step 4: Simplify right side
314,319,328.70x = 83,085,955,229,353,280 - Step 5: Solve for x
x = 83,085,955,229,353,280/314,319,328.70 - Step 6: Final answer
x = 264,336,130.94
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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.