Finding the Fourth Proportional to 2,511,689,725.76, 3,466,131,830.40 and 1,398,118,883.84
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Solution
The fourth proportional to 2,511,689,725.76, 3,466,131,830.40 and 1,398,118,883.84 is: 1,929,404,064.63
Step by Step Solution
- Step 1: Write the proportion equation
2,511,689,725.76 : 3,466,131,830.40 = 1,398,118,883.84 : x - Step 2: Convert to fraction form
2,511,689,725.76/3,466,131,830.40 = 1,398,118,883.84/x - Step 3: Cross multiply
2,511,689,725.76x = 3,466,131,830.40 × 1,398,118,883.84 - Step 4: Simplify right side
2,511,689,725.76x = 4,846,064,365,961,144,320 - Step 5: Solve for x
x = 4,846,064,365,961,144,320/2,511,689,725.76 - Step 6: Final answer
x = 1,929,404,064.63
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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.