Finding the Fourth Proportional to 1,549,119,615.21, 2,324,135,322.93 and 499,838,134.95
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Solution
The fourth proportional to 1,549,119,615.21, 2,324,135,322.93 and 499,838,134.95 is: 749,904,302.92
Step by Step Solution
- Step 1: Write the proportion equation
1,549,119,615.21 : 2,324,135,322.93 = 499,838,134.95 : x - Step 2: Convert to fraction form
1,549,119,615.21/2,324,135,322.93 = 499,838,134.95/x - Step 3: Cross multiply
1,549,119,615.21x = 2,324,135,322.93 × 499,838,134.95 - Step 4: Simplify right side
1,549,119,615.21x = 1,161,691,465,184,747,008 - Step 5: Solve for x
x = 1,161,691,465,184,747,008/1,549,119,615.21 - Step 6: Final answer
x = 749,904,302.92
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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.