Finding the Fourth Proportional to 3,386,132,318.84, 5,079,852,578.49 and 1,287,445,548.92
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Solution
The fourth proportional to 3,386,132,318.84, 5,079,852,578.49 and 1,287,445,548.92 is: 1,931,417,019.64
Step by Step Solution
- Step 1: Write the proportion equation
3,386,132,318.84 : 5,079,852,578.49 = 1,287,445,548.92 : x - Step 2: Convert to fraction form
3,386,132,318.84/5,079,852,578.49 = 1,287,445,548.92/x - Step 3: Cross multiply
3,386,132,318.84x = 5,079,852,578.49 × 1,287,445,548.92 - Step 4: Simplify right side
3,386,132,318.84x = 6,540,033,591,346,735,104 - Step 5: Solve for x
x = 6,540,033,591,346,735,104/3,386,132,318.84 - Step 6: Final answer
x = 1,931,417,019.64
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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.