Finding the Fourth Proportional to 4,137,807,637.80, 6,206,711,456.70 and 2,171,901,090.60
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Solution
The fourth proportional to 4,137,807,637.80, 6,206,711,456.70 and 2,171,901,090.60 is: 3,257,851,635.90
Step by Step Solution
- Step 1: Write the proportion equation
4,137,807,637.80 : 6,206,711,456.70 = 2,171,901,090.60 : x - Step 2: Convert to fraction form
4,137,807,637.80/6,206,711,456.70 = 2,171,901,090.60/x - Step 3: Cross multiply
4,137,807,637.80x = 6,206,711,456.70 × 2,171,901,090.60 - Step 4: Simplify right side
4,137,807,637.80x = 13,480,363,381,846,243,328 - Step 5: Solve for x
x = 13,480,363,381,846,243,328/4,137,807,637.80 - Step 6: Final answer
x = 3,257,851,635.90
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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.