Finding the Fourth Proportional to 1,422,544,523.11, 2,132,260,187.34 and 732,493,185.19
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Solution
The fourth proportional to 1,422,544,523.11, 2,132,260,187.34 and 732,493,185.19 is: 1,097,938,258.45
Step by Step Solution
- Step 1: Write the proportion equation
1,422,544,523.11 : 2,132,260,187.34 = 732,493,185.19 : x - Step 2: Convert to fraction form
1,422,544,523.11/2,132,260,187.34 = 732,493,185.19/x - Step 3: Cross multiply
1,422,544,523.11x = 2,132,260,187.34 × 732,493,185.19 - Step 4: Simplify right side
1,422,544,523.11x = 1,561,866,056,267,841,280 - Step 5: Solve for x
x = 1,561,866,056,267,841,280/1,422,544,523.11 - Step 6: Final answer
x = 1,097,938,258.45
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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.