Finding the Fourth Proportional to 664,852,963.68, 917,481,074.04 and 363,424,877.28
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Solution
The fourth proportional to 664,852,963.68, 917,481,074.04 and 363,424,877.28 is: 501,517,576.00
Step by Step Solution
- Step 1: Write the proportion equation
664,852,963.68 : 917,481,074.04 = 363,424,877.28 : x - Step 2: Convert to fraction form
664,852,963.68/917,481,074.04 = 363,424,877.28/x - Step 3: Cross multiply
664,852,963.68x = 917,481,074.04 × 363,424,877.28 - Step 4: Simplify right side
664,852,963.68x = 333,435,446,739,709,568 - Step 5: Solve for x
x = 333,435,446,739,709,568/664,852,963.68 - Step 6: Final answer
x = 501,517,576.00
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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.