Finding the Fourth Proportional to 1,516,601,932.67, 2,092,729,409.10 and 838,327,259.68
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Solution
The fourth proportional to 1,516,601,932.67, 2,092,729,409.10 and 838,327,259.68 is: 1,156,791,424.95
Step by Step Solution
- Step 1: Write the proportion equation
1,516,601,932.67 : 2,092,729,409.10 = 838,327,259.68 : x - Step 2: Convert to fraction form
1,516,601,932.67/2,092,729,409.10 = 838,327,259.68/x - Step 3: Cross multiply
1,516,601,932.67x = 2,092,729,409.10 × 838,327,259.68 - Step 4: Simplify right side
1,516,601,932.67x = 1,754,392,110,777,316,864 - Step 5: Solve for x
x = 1,754,392,110,777,316,864/1,516,601,932.67 - Step 6: Final answer
x = 1,156,791,424.95
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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.