Finding the Fourth Proportional to 900,383,991.89, 1,351,037,688.44 and 434,442,784.40
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Solution
The fourth proportional to 900,383,991.89, 1,351,037,688.44 and 434,442,784.40 is: 651,886,950.99
Step by Step Solution
- Step 1: Write the proportion equation
900,383,991.89 : 1,351,037,688.44 = 434,442,784.40 : x - Step 2: Convert to fraction form
900,383,991.89/1,351,037,688.44 = 434,442,784.40/x - Step 3: Cross multiply
900,383,991.89x = 1,351,037,688.44 × 434,442,784.40 - Step 4: Simplify right side
900,383,991.89x = 586,948,575,186,285,824 - Step 5: Solve for x
x = 586,948,575,186,285,824/900,383,991.89 - Step 6: Final answer
x = 651,886,950.99
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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.