Finding the Fourth Proportional to 279,687,824.48, 385,846,753.60 and 266,720,664
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Solution
The fourth proportional to 279,687,824.48, 385,846,753.60 and 266,720,664 is: 367,957,749.01
Step by Step Solution
- Step 1: Write the proportion equation
279,687,824.48 : 385,846,753.60 = 266,720,664 : x - Step 2: Convert to fraction form
279,687,824.48/385,846,753.60 = 266,720,664/x - Step 3: Cross multiply
279,687,824.48x = 385,846,753.60 × 266,720,664 - Step 4: Simplify right side
279,687,824.48x = 102,913,302,322,436,400 - Step 5: Solve for x
x = 102,913,302,322,436,400/279,687,824.48 - Step 6: Final answer
x = 367,957,749.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.