Finding the Fourth Proportional to 2,259,064,430.80, 3,388,596,646.20 and 804,516,974.80
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Solution
The fourth proportional to 2,259,064,430.80, 3,388,596,646.20 and 804,516,974.80 is: 1,206,775,462.20
Step by Step Solution
- Step 1: Write the proportion equation
2,259,064,430.80 : 3,388,596,646.20 = 804,516,974.80 : x - Step 2: Convert to fraction form
2,259,064,430.80/3,388,596,646.20 = 804,516,974.80/x - Step 3: Cross multiply
2,259,064,430.80x = 3,388,596,646.20 × 804,516,974.80 - Step 4: Simplify right side
2,259,064,430.80x = 2,726,183,522,618,249,728 - Step 5: Solve for x
x = 2,726,183,522,618,249,728/2,259,064,430.80 - Step 6: Final answer
x = 1,206,775,462.20
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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.