Finding the Fourth Proportional to 3,971,832,411.87, 5,481,128,468.57 and 2,302,050,104.28
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Solution
The fourth proportional to 3,971,832,411.87, 5,481,128,468.57 and 2,302,050,104.28 is: 3,176,828,993.32
Step by Step Solution
- Step 1: Write the proportion equation
3,971,832,411.87 : 5,481,128,468.57 = 2,302,050,104.28 : x - Step 2: Convert to fraction form
3,971,832,411.87/5,481,128,468.57 = 2,302,050,104.28/x - Step 3: Cross multiply
3,971,832,411.87x = 5,481,128,468.57 × 2,302,050,104.28 - Step 4: Simplify right side
3,971,832,411.87x = 12,617,832,362,632,134,656 - Step 5: Solve for x
x = 12,617,832,362,632,134,656/3,971,832,411.87 - Step 6: Final answer
x = 3,176,828,993.32
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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.