Finding the Fourth Proportional to 372,580,672,387.87, 514,585,448,013.68 and 250,433,343,253.63
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Solution
The fourth proportional to 372,580,672,387.87, 514,585,448,013.68 and 250,433,343,253.63 is: 345,883,089,720.70
Step by Step Solution
- Step 1: Write the proportion equation
372,580,672,387.87 : 514,585,448,013.68 = 250,433,343,253.63 : x - Step 2: Convert to fraction form
372,580,672,387.87/514,585,448,013.68 = 250,433,343,253.63/x - Step 3: Cross multiply
372,580,672,387.87x = 514,585,448,013.68 × 250,433,343,253.63 - Step 4: Simplify right side
372,580,672,387.87x = 128,869,354,135,732,896,137,216 - Step 5: Solve for x
x = 128,869,354,135,732,896,137,216/372,580,672,387.87 - Step 6: Final answer
x = 345,883,089,720.70
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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.