Finding the Fourth Proportional to 767,738,194.20, 1,059,475,516.79 and 415,313,316.18
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Solution
The fourth proportional to 767,738,194.20, 1,059,475,516.79 and 415,313,316.18 is: 573,130,650.02
Step by Step Solution
- Step 1: Write the proportion equation
767,738,194.20 : 1,059,475,516.79 = 415,313,316.18 : x - Step 2: Convert to fraction form
767,738,194.20/1,059,475,516.79 = 415,313,316.18/x - Step 3: Cross multiply
767,738,194.20x = 1,059,475,516.79 × 415,313,316.18 - Step 4: Simplify right side
767,738,194.20x = 440,014,290,287,497,600 - Step 5: Solve for x
x = 440,014,290,287,497,600/767,738,194.20 - Step 6: Final answer
x = 573,130,650.02
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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.