Finding the Fourth Proportional to 3,651,847,930.49, 5,039,124,990.44 and 2,044,390,947.48
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Solution
The fourth proportional to 3,651,847,930.49, 5,039,124,990.44 and 2,044,390,947.48 is: 2,821,021,496.45
Step by Step Solution
- Step 1: Write the proportion equation
3,651,847,930.49 : 5,039,124,990.44 = 2,044,390,947.48 : x - Step 2: Convert to fraction form
3,651,847,930.49/5,039,124,990.44 = 2,044,390,947.48/x - Step 3: Cross multiply
3,651,847,930.49x = 5,039,124,990.44 × 2,044,390,947.48 - Step 4: Simplify right side
3,651,847,930.49x = 10,301,941,513,665,556,480 - Step 5: Solve for x
x = 10,301,941,513,665,556,480/3,651,847,930.49 - Step 6: Final answer
x = 2,821,021,496.45
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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.