Finding the Fourth Proportional to 1,236,372,821.24, 1,854,629,927.66 and 350,988,927.52
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Solution
The fourth proportional to 1,236,372,821.24, 1,854,629,927.66 and 350,988,927.52 is: 526,503,460.82
Step by Step Solution
- Step 1: Write the proportion equation
1,236,372,821.24 : 1,854,629,927.66 = 350,988,927.52 : x - Step 2: Convert to fraction form
1,236,372,821.24/1,854,629,927.66 = 350,988,927.52/x - Step 3: Cross multiply
1,236,372,821.24x = 1,854,629,927.66 × 350,988,927.52 - Step 4: Simplify right side
1,236,372,821.24x = 650,954,569,251,219,968 - Step 5: Solve for x
x = 650,954,569,251,219,968/1,236,372,821.24 - Step 6: Final answer
x = 526,503,460.82
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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.