Finding the Fourth Proportional to 4,693,603,521.80, 7,040,405,282.70 and 2,363,640,206.60
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Solution
The fourth proportional to 4,693,603,521.80, 7,040,405,282.70 and 2,363,640,206.60 is: 3,545,460,309.90
Step by Step Solution
- Step 1: Write the proportion equation
4,693,603,521.80 : 7,040,405,282.70 = 2,363,640,206.60 : x - Step 2: Convert to fraction form
4,693,603,521.80/7,040,405,282.70 = 2,363,640,206.60/x - Step 3: Cross multiply
4,693,603,521.80x = 7,040,405,282.70 × 2,363,640,206.60 - Step 4: Simplify right side
4,693,603,521.80x = 16,640,984,996,948,758,528 - Step 5: Solve for x
x = 16,640,984,996,948,758,528/4,693,603,521.80 - Step 6: Final answer
x = 3,545,460,309.90
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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.