Finding the Fourth Proportional to 12,982,057,363.80, 19,468,122,137.64 and 7,083,463,833.99
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Solution
The fourth proportional to 12,982,057,363.80, 19,468,122,137.64 and 7,083,463,833.99 is: 10,622,487,269.41
Step by Step Solution
- Step 1: Write the proportion equation
12,982,057,363.80 : 19,468,122,137.64 = 7,083,463,833.99 : x - Step 2: Convert to fraction form
12,982,057,363.80/19,468,122,137.64 = 7,083,463,833.99/x - Step 3: Cross multiply
12,982,057,363.80x = 19,468,122,137.64 × 7,083,463,833.99 - Step 4: Simplify right side
12,982,057,363.80x = 137,901,739,077,673,025,536 - Step 5: Solve for x
x = 137,901,739,077,673,025,536/12,982,057,363.80 - Step 6: Final answer
x = 10,622,487,269.41
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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.