Finding the Fourth Proportional to 2,539,681,592.68, 3,809,535,231.84 and 792,737,889.40
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Solution
The fourth proportional to 2,539,681,592.68, 3,809,535,231.84 and 792,737,889.40 is: 1,189,110,842.87
Step by Step Solution
- Step 1: Write the proportion equation
2,539,681,592.68 : 3,809,535,231.84 = 792,737,889.40 : x - Step 2: Convert to fraction form
2,539,681,592.68/3,809,535,231.84 = 792,737,889.40/x - Step 3: Cross multiply
2,539,681,592.68x = 3,809,535,231.84 × 792,737,889.40 - Step 4: Simplify right side
2,539,681,592.68x = 3,019,962,919,283,781,120 - Step 5: Solve for x
x = 3,019,962,919,283,781,120/2,539,681,592.68 - Step 6: Final answer
x = 1,189,110,842.87
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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.