Finding the Fourth Proportional to 1,657,129,251.52, 2,486,021,327.68 and 607,877,196.88
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Solution
The fourth proportional to 1,657,129,251.52, 2,486,021,327.68 and 607,877,196.88 is: 911,935,912.46
Step by Step Solution
- Step 1: Write the proportion equation
1,657,129,251.52 : 2,486,021,327.68 = 607,877,196.88 : x - Step 2: Convert to fraction form
1,657,129,251.52/2,486,021,327.68 = 607,877,196.88/x - Step 3: Cross multiply
1,657,129,251.52x = 2,486,021,327.68 × 607,877,196.88 - Step 4: Simplify right side
1,657,129,251.52x = 1,511,195,676,054,014,208 - Step 5: Solve for x
x = 1,511,195,676,054,014,208/1,657,129,251.52 - Step 6: Final answer
x = 911,935,912.46
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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.