Finding the Fourth Proportional to 355,695,495.75, 490,859,784.14 and 192,904,071.75
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Solution
The fourth proportional to 355,695,495.75, 490,859,784.14 and 192,904,071.75 is: 266,207,619.02
Step by Step Solution
- Step 1: Write the proportion equation
355,695,495.75 : 490,859,784.14 = 192,904,071.75 : x - Step 2: Convert to fraction form
355,695,495.75/490,859,784.14 = 192,904,071.75/x - Step 3: Cross multiply
355,695,495.75x = 490,859,784.14 × 192,904,071.75 - Step 4: Simplify right side
355,695,495.75x = 94,688,851,017,967,552 - Step 5: Solve for x
x = 94,688,851,017,967,552/355,695,495.75 - Step 6: Final answer
x = 266,207,619.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.