Finding the Fourth Proportional to 1,972,578,380.04, 2,959,291,614.78 and 573,586,960.68
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Solution
The fourth proportional to 1,972,578,380.04, 2,959,291,614.78 and 573,586,960.68 is: 860,503,744.88
Step by Step Solution
- Step 1: Write the proportion equation
1,972,578,380.04 : 2,959,291,614.78 = 573,586,960.68 : x - Step 2: Convert to fraction form
1,972,578,380.04/2,959,291,614.78 = 573,586,960.68/x - Step 3: Cross multiply
1,972,578,380.04x = 2,959,291,614.78 × 573,586,960.68 - Step 4: Simplify right side
1,972,578,380.04x = 1,697,411,083,087,469,568 - Step 5: Solve for x
x = 1,697,411,083,087,469,568/1,972,578,380.04 - Step 6: Final answer
x = 860,503,744.88
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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.