Finding the Fourth Proportional to 6,126,422,391.47, 9,192,306,560.71 and 2,145,363,842.71
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Solution
The fourth proportional to 6,126,422,391.47, 9,192,306,560.71 and 2,145,363,842.71 is: 3,218,981,791.70
Step by Step Solution
- Step 1: Write the proportion equation
6,126,422,391.47 : 9,192,306,560.71 = 2,145,363,842.71 : x - Step 2: Convert to fraction form
6,126,422,391.47/9,192,306,560.71 = 2,145,363,842.71/x - Step 3: Cross multiply
6,126,422,391.47x = 9,192,306,560.71 × 2,145,363,842.71 - Step 4: Simplify right side
6,126,422,391.47x = 19,720,842,126,418,952,192 - Step 5: Solve for x
x = 19,720,842,126,418,952,192/6,126,422,391.47 - Step 6: Final answer
x = 3,218,981,791.70
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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.