Finding the Fourth Proportional to 767,738,193.96, 1,059,475,516.44 and 415,313,315.94
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Solution
The fourth proportional to 767,738,193.96, 1,059,475,516.44 and 415,313,315.94 is: 573,130,649.68
Step by Step Solution
- Step 1: Write the proportion equation
767,738,193.96 : 1,059,475,516.44 = 415,313,315.94 : x - Step 2: Convert to fraction form
767,738,193.96/1,059,475,516.44 = 415,313,315.94/x - Step 3: Cross multiply
767,738,193.96x = 1,059,475,516.44 × 415,313,315.94 - Step 4: Simplify right side
767,738,193.96x = 440,014,289,889,940,416 - Step 5: Solve for x
x = 440,014,289,889,940,416/767,738,193.96 - Step 6: Final answer
x = 573,130,649.68
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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.