Finding the Fourth Proportional to 1,802,458,936.72, 2,486,600,985.36 and 1,087,595,753.44
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Solution
The fourth proportional to 1,802,458,936.72, 2,486,600,985.36 and 1,087,595,753.44 is: 1,500,404,040.88
Step by Step Solution
- Step 1: Write the proportion equation
1,802,458,936.72 : 2,486,600,985.36 = 1,087,595,753.44 : x - Step 2: Convert to fraction form
1,802,458,936.72/2,486,600,985.36 = 1,087,595,753.44/x - Step 3: Cross multiply
1,802,458,936.72x = 2,486,600,985.36 × 1,087,595,753.44 - Step 4: Simplify right side
1,802,458,936.72x = 2,704,416,672,177,255,936 - Step 5: Solve for x
x = 2,704,416,672,177,255,936/1,802,458,936.72 - Step 6: Final answer
x = 1,500,404,040.88
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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.