Finding the Fourth Proportional to 270,742,037.85, 405,450,731.70 and 244,539,733.05
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Solution
The fourth proportional to 270,742,037.85, 405,450,731.70 and 244,539,733.05 is: 366,211,374.05
Step by Step Solution
- Step 1: Write the proportion equation
270,742,037.85 : 405,450,731.70 = 244,539,733.05 : x - Step 2: Convert to fraction form
270,742,037.85/405,450,731.70 = 244,539,733.05/x - Step 3: Cross multiply
270,742,037.85x = 405,450,731.70 × 244,539,733.05 - Step 4: Simplify right side
270,742,037.85x = 99,148,813,694,845,168 - Step 5: Solve for x
x = 99,148,813,694,845,168/270,742,037.85 - Step 6: Final answer
x = 366,211,374.05
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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.