Finding the Fourth Proportional to 291,255,378.90, 436,883,068.35 and 176,966,841.30
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Solution
The fourth proportional to 291,255,378.90, 436,883,068.35 and 176,966,841.30 is: 265,450,261.95
Step by Step Solution
- Step 1: Write the proportion equation
291,255,378.90 : 436,883,068.35 = 176,966,841.30 : x - Step 2: Convert to fraction form
291,255,378.90/436,883,068.35 = 176,966,841.30/x - Step 3: Cross multiply
291,255,378.90x = 436,883,068.35 × 176,966,841.30 - Step 4: Simplify right side
291,255,378.90x = 77,313,816,623,351,520 - Step 5: Solve for x
x = 77,313,816,623,351,520/291,255,378.90 - Step 6: Final answer
x = 265,450,261.95
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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.