Finding the Fourth Proportional to 9,237,888,686.20, 13,856,833,029.30 and 5,555,498,567.80
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Solution
The fourth proportional to 9,237,888,686.20, 13,856,833,029.30 and 5,555,498,567.80 is: 8,333,247,851.70
Step by Step Solution
- Step 1: Write the proportion equation
9,237,888,686.20 : 13,856,833,029.30 = 5,555,498,567.80 : x - Step 2: Convert to fraction form
9,237,888,686.20/13,856,833,029.30 = 5,555,498,567.80/x - Step 3: Cross multiply
9,237,888,686.20x = 13,856,833,029.30 × 5,555,498,567.80 - Step 4: Simplify right side
9,237,888,686.20x = 76,981,616,048,519,888,896 - Step 5: Solve for x
x = 76,981,616,048,519,888,896/9,237,888,686.20 - Step 6: Final answer
x = 8,333,247,851.70
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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.