Finding the Fourth Proportional to 7,264,627,348.80, 10,025,185,649.64 and 3,923,125,336.08
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Solution
The fourth proportional to 7,264,627,348.80, 10,025,185,649.64 and 3,923,125,336.08 is: 5,413,912,914.27
Step by Step Solution
- Step 1: Write the proportion equation
7,264,627,348.80 : 10,025,185,649.64 = 3,923,125,336.08 : x - Step 2: Convert to fraction form
7,264,627,348.80/10,025,185,649.64 = 3,923,125,336.08/x - Step 3: Cross multiply
7,264,627,348.80x = 10,025,185,649.64 × 3,923,125,336.08 - Step 4: Simplify right side
7,264,627,348.80x = 39,330,059,821,008,314,368 - Step 5: Solve for x
x = 39,330,059,821,008,314,368/7,264,627,348.80 - Step 6: Final answer
x = 5,413,912,914.27
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1.5x scale
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.