Finding the Fourth Proportional to 1,235,168,107.10, 1,704,561,604.66 and 670,676,779.02
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Solution
The fourth proportional to 1,235,168,107.10, 1,704,561,604.66 and 670,676,779.02 is: 925,550,036.54
Step by Step Solution
- Step 1: Write the proportion equation
1,235,168,107.10 : 1,704,561,604.66 = 670,676,779.02 : x - Step 2: Convert to fraction form
1,235,168,107.10/1,704,561,604.66 = 670,676,779.02/x - Step 3: Cross multiply
1,235,168,107.10x = 1,704,561,604.66 × 670,676,779.02 - Step 4: Simplify right side
1,235,168,107.10x = 1,143,209,886,654,531,456 - Step 5: Solve for x
x = 1,143,209,886,654,531,456/1,235,168,107.10 - Step 6: Final answer
x = 925,550,036.54
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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.