Finding the Fourth Proportional to 1,748,511,494.37, 2,622,479,955.84 and 627,803,153.10
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Solution
The fourth proportional to 1,748,511,494.37, 2,622,479,955.84 and 627,803,153.10 is: 941,601,579.70
Step by Step Solution
- Step 1: Write the proportion equation
1,748,511,494.37 : 2,622,479,955.84 = 627,803,153.10 : x - Step 2: Convert to fraction form
1,748,511,494.37/2,622,479,955.84 = 627,803,153.10/x - Step 3: Cross multiply
1,748,511,494.37x = 2,622,479,955.84 × 627,803,153.10 - Step 4: Simplify right side
1,748,511,494.37x = 1,646,401,185,217,900,800 - Step 5: Solve for x
x = 1,646,401,185,217,900,800/1,748,511,494.37 - Step 6: Final answer
x = 941,601,579.70
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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.