Finding the Fourth Proportional to 839,810,352.80, 1,259,715,529.20 and 741,174,903.20
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Solution
The fourth proportional to 839,810,352.80, 1,259,715,529.20 and 741,174,903.20 is: 1,111,762,354.80
Step by Step Solution
- Step 1: Write the proportion equation
839,810,352.80 : 1,259,715,529.20 = 741,174,903.20 : x - Step 2: Convert to fraction form
839,810,352.80/1,259,715,529.20 = 741,174,903.20/x - Step 3: Cross multiply
839,810,352.80x = 1,259,715,529.20 × 741,174,903.20 - Step 4: Simplify right side
839,810,352.80x = 933,669,535,414,346,880 - Step 5: Solve for x
x = 933,669,535,414,346,880/839,810,352.80 - Step 6: Final answer
x = 1,111,762,354.80
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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.