Finding the Fourth Proportional to 463,424,372.96, 639,526,053.84 and 254,594,043.68
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Solution
The fourth proportional to 463,424,372.96, 639,526,053.84 and 254,594,043.68 is: 351,340,010.55
Step by Step Solution
- Step 1: Write the proportion equation
463,424,372.96 : 639,526,053.84 = 254,594,043.68 : x - Step 2: Convert to fraction form
463,424,372.96/639,526,053.84 = 254,594,043.68/x - Step 3: Cross multiply
463,424,372.96x = 639,526,053.84 × 254,594,043.68 - Step 4: Simplify right side
463,424,372.96x = 162,819,524,085,839,008 - Step 5: Solve for x
x = 162,819,524,085,839,008/463,424,372.96 - Step 6: Final answer
x = 351,340,010.55
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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.