Finding the Fourth Proportional to 3,292,518,734.47, 4,543,558,292.07 and 1,863,559,160.90
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Solution
The fourth proportional to 3,292,518,734.47, 4,543,558,292.07 and 1,863,559,160.90 is: 2,571,645,102.46
Step by Step Solution
- Step 1: Write the proportion equation
3,292,518,734.47 : 4,543,558,292.07 = 1,863,559,160.90 : x - Step 2: Convert to fraction form
3,292,518,734.47/4,543,558,292.07 = 1,863,559,160.90/x - Step 3: Cross multiply
3,292,518,734.47x = 4,543,558,292.07 × 1,863,559,160.90 - Step 4: Simplify right side
3,292,518,734.47x = 8,467,189,678,267,864,064 - Step 5: Solve for x
x = 8,467,189,678,267,864,064/3,292,518,734.47 - Step 6: Final answer
x = 2,571,645,102.46
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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.