Finding the Fourth Proportional to 1,090,110,496.70, 1,635,165,745.05 and 537,677,577.20
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Solution
The fourth proportional to 1,090,110,496.70, 1,635,165,745.05 and 537,677,577.20 is: 806,516,365.80
Step by Step Solution
- Step 1: Write the proportion equation
1,090,110,496.70 : 1,635,165,745.05 = 537,677,577.20 : x - Step 2: Convert to fraction form
1,090,110,496.70/1,635,165,745.05 = 537,677,577.20/x - Step 3: Cross multiply
1,090,110,496.70x = 1,635,165,745.05 × 537,677,577.20 - Step 4: Simplify right side
1,090,110,496.70x = 879,191,956,118,916,992 - Step 5: Solve for x
x = 879,191,956,118,916,992/1,090,110,496.70 - Step 6: Final answer
x = 806,516,365.80
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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.