Finding the Fourth Proportional to 1,255,163,683.88, 1,882,163,730.56 and 468,005,984.31
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Solution
The fourth proportional to 1,255,163,683.88, 1,882,163,730.56 and 468,005,984.31 is: 701,792,045.67
Step by Step Solution
- Step 1: Write the proportion equation
1,255,163,683.88 : 1,882,163,730.56 = 468,005,984.31 : x - Step 2: Convert to fraction form
1,255,163,683.88/1,882,163,730.56 = 468,005,984.31/x - Step 3: Cross multiply
1,255,163,683.88x = 1,882,163,730.56 × 468,005,984.31 - Step 4: Simplify right side
1,255,163,683.88x = 880,863,889,361,727,616 - Step 5: Solve for x
x = 880,863,889,361,727,616/1,255,163,683.88 - Step 6: Final answer
x = 701,792,045.67
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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.