Finding the Fourth Proportional to 2,472,745,647.54, 3,709,259,862.94 and 701,977,860.08
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Solution
The fourth proportional to 2,472,745,647.54, 3,709,259,862.94 and 701,977,860.08 is: 1,053,006,929.23
Step by Step Solution
- Step 1: Write the proportion equation
2,472,745,647.54 : 3,709,259,862.94 = 701,977,860.08 : x - Step 2: Convert to fraction form
2,472,745,647.54/3,709,259,862.94 = 701,977,860.08/x - Step 3: Cross multiply
2,472,745,647.54x = 3,709,259,862.94 × 701,977,860.08 - Step 4: Simplify right side
2,472,745,647.54x = 2,603,818,301,084,232,704 - Step 5: Solve for x
x = 2,603,818,301,084,232,704/2,472,745,647.54 - Step 6: Final answer
x = 1,053,006,929.23
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1.5x scale
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.