Finding the Fourth Proportional to 1,544,962,027.86, 2,131,982,723.70 and 875,952,090.72
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Solution
The fourth proportional to 1,544,962,027.86, 2,131,982,723.70 and 875,952,090.72 is: 1,208,777,102.95
Step by Step Solution
- Step 1: Write the proportion equation
1,544,962,027.86 : 2,131,982,723.70 = 875,952,090.72 : x - Step 2: Convert to fraction form
1,544,962,027.86/2,131,982,723.70 = 875,952,090.72/x - Step 3: Cross multiply
1,544,962,027.86x = 2,131,982,723.70 × 875,952,090.72 - Step 4: Simplify right side
1,544,962,027.86x = 1,867,514,724,203,935,232 - Step 5: Solve for x
x = 1,867,514,724,203,935,232/1,544,962,027.86 - Step 6: Final answer
x = 1,208,777,102.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.