Finding the Fourth Proportional to 489,997,010.00, 676,050,812.33 and 291,599,455.88
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Solution
The fourth proportional to 489,997,010.00, 676,050,812.33 and 291,599,455.88 is: 402,320,922.37
Step by Step Solution
- Step 1: Write the proportion equation
489,997,010.00 : 676,050,812.33 = 291,599,455.88 : x - Step 2: Convert to fraction form
489,997,010.00/676,050,812.33 = 291,599,455.88/x - Step 3: Cross multiply
489,997,010.00x = 676,050,812.33 × 291,599,455.88 - Step 4: Simplify right side
489,997,010.00x = 197,136,049,022,892,128 - Step 5: Solve for x
x = 197,136,049,022,892,128/489,997,010.00 - Step 6: Final answer
x = 402,320,922.37
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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.