Finding the Fourth Proportional to 273,125,424.40, 409,688,136.60 and 268,590,461.20
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Solution
The fourth proportional to 273,125,424.40, 409,688,136.60 and 268,590,461.20 is: 402,885,691.80
Step by Step Solution
- Step 1: Write the proportion equation
273,125,424.40 : 409,688,136.60 = 268,590,461.20 : x - Step 2: Convert to fraction form
273,125,424.40/409,688,136.60 = 268,590,461.20/x - Step 3: Cross multiply
273,125,424.40x = 409,688,136.60 × 268,590,461.20 - Step 4: Simplify right side
273,125,424.40x = 110,038,325,557,562,608 - Step 5: Solve for x
x = 110,038,325,557,562,608/273,125,424.40 - Step 6: Final answer
x = 402,885,691.80
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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.