Finding the Fourth Proportional to 682,973,451.09, 1,024,456,750.34 and 165,403,877.67
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Solution
The fourth proportional to 682,973,451.09, 1,024,456,750.34 and 165,403,877.67 is: 248,104,986.72
Step by Step Solution
- Step 1: Write the proportion equation
682,973,451.09 : 1,024,456,750.34 = 165,403,877.67 : x - Step 2: Convert to fraction form
682,973,451.09/1,024,456,750.34 = 165,403,877.67/x - Step 3: Cross multiply
682,973,451.09x = 1,024,456,750.34 × 165,403,877.67 - Step 4: Simplify right side
682,973,451.09x = 169,449,119,010,616,064 - Step 5: Solve for x
x = 169,449,119,010,616,064/682,973,451.09 - Step 6: Final answer
x = 248,104,986.72
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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.