Finding the Fourth Proportional to 2,859,939,106.30, 3,947,046,629.16 and 1,670,805,325
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Solution
The fourth proportional to 2,859,939,106.30, 3,947,046,629.16 and 1,670,805,325 is: 2,305,904,524.85
Step by Step Solution
- Step 1: Write the proportion equation
2,859,939,106.30 : 3,947,046,629.16 = 1,670,805,325 : x - Step 2: Convert to fraction form
2,859,939,106.30/3,947,046,629.16 = 1,670,805,325/x - Step 3: Cross multiply
2,859,939,106.30x = 3,947,046,629.16 × 1,670,805,325 - Step 4: Simplify right side
2,859,939,106.30x = 6,594,746,526,023,828,480 - Step 5: Solve for x
x = 6,594,746,526,023,828,480/2,859,939,106.30 - Step 6: Final answer
x = 2,305,904,524.85
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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.