Finding the Fourth Proportional to 1,102,278,385.10, 1,651,504,390.05 and 713,901,302.30
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Solution
The fourth proportional to 1,102,278,385.10, 1,651,504,390.05 and 713,901,302.30 is: 1,069,612,858.92
Step by Step Solution
- Step 1: Write the proportion equation
1,102,278,385.10 : 1,651,504,390.05 = 713,901,302.30 : x - Step 2: Convert to fraction form
1,102,278,385.10/1,651,504,390.05 = 713,901,302.30/x - Step 3: Cross multiply
1,102,278,385.10x = 1,651,504,390.05 × 713,901,302.30 - Step 4: Simplify right side
1,102,278,385.10x = 1,179,011,134,810,862,080 - Step 5: Solve for x
x = 1,179,011,134,810,862,080/1,102,278,385.10 - Step 6: Final answer
x = 1,069,612,858.92
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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.