Finding the Fourth Proportional to 424,214,144.79, 636,321,955.29 and 133,103,608.14
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Solution
The fourth proportional to 424,214,144.79, 636,321,955.29 and 133,103,608.14 is: 199,655,643.80
Step by Step Solution
- Step 1: Write the proportion equation
424,214,144.79 : 636,321,955.29 = 133,103,608.14 : x - Step 2: Convert to fraction form
424,214,144.79/636,321,955.29 = 133,103,608.14/x - Step 3: Cross multiply
424,214,144.79x = 636,321,955.29 × 133,103,608.14 - Step 4: Simplify right side
424,214,144.79x = 84,696,748,187,798,752 - Step 5: Solve for x
x = 84,696,748,187,798,752/424,214,144.79 - Step 6: Final answer
x = 199,655,643.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.