Finding the Fourth Proportional to 1,703,527,450.80, 2,555,291,176.20 and 612,868,801.20
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Solution
The fourth proportional to 1,703,527,450.80, 2,555,291,176.20 and 612,868,801.20 is: 919,303,201.80
Step by Step Solution
- Step 1: Write the proportion equation
1,703,527,450.80 : 2,555,291,176.20 = 612,868,801.20 : x - Step 2: Convert to fraction form
1,703,527,450.80/2,555,291,176.20 = 612,868,801.20/x - Step 3: Cross multiply
1,703,527,450.80x = 2,555,291,176.20 × 612,868,801.20 - Step 4: Simplify right side
1,703,527,450.80x = 1,566,058,239,874,631,936 - Step 5: Solve for x
x = 1,566,058,239,874,631,936/1,703,527,450.80 - Step 6: Final answer
x = 919,303,201.80
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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.