Finding the Fourth Proportional to 641,950,824,793.05, 885,892,708,097.60 and 352,924,001,608.08
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Solution
The fourth proportional to 641,950,824,793.05, 885,892,708,097.60 and 352,924,001,608.08 is: 487,035,435,522.68
Step by Step Solution
- Step 1: Write the proportion equation
641,950,824,793.05 : 885,892,708,097.60 = 352,924,001,608.08 : x - Step 2: Convert to fraction form
641,950,824,793.05/885,892,708,097.60 = 352,924,001,608.08/x - Step 3: Cross multiply
641,950,824,793.05x = 885,892,708,097.60 × 352,924,001,608.08 - Step 4: Simplify right side
641,950,824,793.05x = 312,652,799,537,223,749,861,376 - Step 5: Solve for x
x = 312,652,799,537,223,749,861,376/641,950,824,793.05 - Step 6: Final answer
x = 487,035,435,522.68
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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.