Finding the Fourth Proportional to 822,274,147.20, 1,135,009,676.16 and 735,104,548.20
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Solution
The fourth proportional to 822,274,147.20, 1,135,009,676.16 and 735,104,548.20 is: 1,014,686,863.30
Step by Step Solution
- Step 1: Write the proportion equation
822,274,147.20 : 1,135,009,676.16 = 735,104,548.20 : x - Step 2: Convert to fraction form
822,274,147.20/1,135,009,676.16 = 735,104,548.20/x - Step 3: Cross multiply
822,274,147.20x = 1,135,009,676.16 × 735,104,548.20 - Step 4: Simplify right side
822,274,147.20x = 834,350,775,196,225,280 - Step 5: Solve for x
x = 834,350,775,196,225,280/822,274,147.20 - Step 6: Final answer
x = 1,014,686,863.30
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1.5x scale
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.