Finding the Fourth Proportional to 3,953,801,661.17, 5,456,329,627.10 and 2,169,639,505.08
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Solution
The fourth proportional to 3,953,801,661.17, 5,456,329,627.10 and 2,169,639,505.08 is: 2,994,148,246.73
Step by Step Solution
- Step 1: Write the proportion equation
3,953,801,661.17 : 5,456,329,627.10 = 2,169,639,505.08 : x - Step 2: Convert to fraction form
3,953,801,661.17/5,456,329,627.10 = 2,169,639,505.08/x - Step 3: Cross multiply
3,953,801,661.17x = 5,456,329,627.10 × 2,169,639,505.08 - Step 4: Simplify right side
3,953,801,661.17x = 11,838,268,311,683,737,600 - Step 5: Solve for x
x = 11,838,268,311,683,737,600/3,953,801,661.17 - Step 6: Final answer
x = 2,994,148,246.73
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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.