Finding the Fourth Proportional to 664,341,640.02, 916,773,668.49 and 366,977,482.14
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Solution
The fourth proportional to 664,341,640.02, 916,773,668.49 and 366,977,482.14 is: 506,419,095.67
Step by Step Solution
- Step 1: Write the proportion equation
664,341,640.02 : 916,773,668.49 = 366,977,482.14 : x - Step 2: Convert to fraction form
664,341,640.02/916,773,668.49 = 366,977,482.14/x - Step 3: Cross multiply
664,341,640.02x = 916,773,668.49 × 366,977,482.14 - Step 4: Simplify right side
664,341,640.02x = 336,435,292,554,711,232 - Step 5: Solve for x
x = 336,435,292,554,711,232/664,341,640.02 - Step 6: Final answer
x = 506,419,095.67
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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.