Finding the Fourth Proportional to 479,260,425,504.17, 661,400,177,167.68 and 265,404,315,576.10
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Solution
The fourth proportional to 479,260,425,504.17, 661,400,177,167.68 and 265,404,315,576.10 is: 366,269,468,542.99
Step by Step Solution
- Step 1: Write the proportion equation
479,260,425,504.17 : 661,400,177,167.68 = 265,404,315,576.10 : x - Step 2: Convert to fraction form
479,260,425,504.17/661,400,177,167.68 = 265,404,315,576.10/x - Step 3: Cross multiply
479,260,425,504.17x = 661,400,177,167.68 × 265,404,315,576.10 - Step 4: Simplify right side
479,260,425,504.17x = 175,538,461,343,099,419,361,280 - Step 5: Solve for x
x = 175,538,461,343,099,419,361,280/479,260,425,504.17 - Step 6: Final answer
x = 366,269,468,542.99
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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.