Finding the Fourth Proportional to 401,528,081.70, 602,292,122.55 and 299,491,409.70
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Solution
The fourth proportional to 401,528,081.70, 602,292,122.55 and 299,491,409.70 is: 449,237,114.55
Step by Step Solution
- Step 1: Write the proportion equation
401,528,081.70 : 602,292,122.55 = 299,491,409.70 : x - Step 2: Convert to fraction form
401,528,081.70/602,292,122.55 = 299,491,409.70/x - Step 3: Cross multiply
401,528,081.70x = 602,292,122.55 × 299,491,409.70 - Step 4: Simplify right side
401,528,081.70x = 180,381,316,833,704,640 - Step 5: Solve for x
x = 180,381,316,833,704,640/401,528,081.70 - Step 6: Final answer
x = 449,237,114.55
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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.