Finding the Fourth Proportional to 2,586,917,280.30, 3,880,942,790.85 and 1,277,446,656.30
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Solution
The fourth proportional to 2,586,917,280.30, 3,880,942,790.85 and 1,277,446,656.30 is: 1,916,449,910.95
Step by Step Solution
- Step 1: Write the proportion equation
2,586,917,280.30 : 3,880,942,790.85 = 1,277,446,656.30 : x - Step 2: Convert to fraction form
2,586,917,280.30/3,880,942,790.85 = 1,277,446,656.30/x - Step 3: Cross multiply
2,586,917,280.30x = 3,880,942,790.85 × 1,277,446,656.30 - Step 4: Simplify right side
2,586,917,280.30x = 4,957,697,391,462,922,240 - Step 5: Solve for x
x = 4,957,697,391,462,922,240/2,586,917,280.30 - Step 6: Final answer
x = 1,916,449,910.95
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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.