Finding the Fourth Proportional to 6,430,709,649.81, 9,644,994,581.04 and 1,947,738,436.51
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Solution
The fourth proportional to 6,430,709,649.81, 9,644,994,581.04 and 1,947,738,436.51 is: 2,921,283,604.52
Step by Step Solution
- Step 1: Write the proportion equation
6,430,709,649.81 : 9,644,994,581.04 = 1,947,738,436.51 : x - Step 2: Convert to fraction form
6,430,709,649.81/9,644,994,581.04 = 1,947,738,436.51/x - Step 3: Cross multiply
6,430,709,649.81x = 9,644,994,581.04 × 1,947,738,436.51 - Step 4: Simplify right side
6,430,709,649.81x = 18,785,926,665,422,274,560 - Step 5: Solve for x
x = 18,785,926,665,422,274,560/6,430,709,649.81 - Step 6: Final answer
x = 2,921,283,604.52
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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.