Finding the Fourth Proportional to 5,377,562,040.68, 7,421,042,764.85 and 2,966,190,455.70
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Solution
The fourth proportional to 5,377,562,040.68, 7,421,042,764.85 and 2,966,190,455.70 is: 4,093,346,772.00
Step by Step Solution
- Step 1: Write the proportion equation
5,377,562,040.68 : 7,421,042,764.85 = 2,966,190,455.70 : x - Step 2: Convert to fraction form
5,377,562,040.68/7,421,042,764.85 = 2,966,190,455.70/x - Step 3: Cross multiply
5,377,562,040.68x = 7,421,042,764.85 × 2,966,190,455.70 - Step 4: Simplify right side
5,377,562,040.68x = 22,012,226,220,424,777,728 - Step 5: Solve for x
x = 22,012,226,220,424,777,728/5,377,562,040.68 - Step 6: Final answer
x = 4,093,346,772.00
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1.5x scale
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.