Finding the Fourth Proportional to 270,742,042.86, 405,450,739.20 and 244,539,738.06
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Solution
The fourth proportional to 270,742,042.86, 405,450,739.20 and 244,539,738.06 is: 366,211,381.55
Step by Step Solution
- Step 1: Write the proportion equation
270,742,042.86 : 405,450,739.20 = 244,539,738.06 : x - Step 2: Convert to fraction form
270,742,042.86/405,450,739.20 = 244,539,738.06/x - Step 3: Cross multiply
270,742,042.86x = 405,450,739.20 × 244,539,738.06 - Step 4: Simplify right side
270,742,042.86x = 99,148,817,560,201,376 - Step 5: Solve for x
x = 99,148,817,560,201,376/270,742,042.86 - Step 6: Final answer
x = 366,211,381.55
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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.