Finding the Fourth Proportional to 6,418,588,752.10, 9,628,542,849.36 and 2,221,534,715.74
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Solution
The fourth proportional to 6,418,588,752.10, 9,628,542,849.36 and 2,221,534,715.74 is: 3,332,530,409.41
Step by Step Solution
- Step 1: Write the proportion equation
6,418,588,752.10 : 9,628,542,849.36 = 2,221,534,715.74 : x - Step 2: Convert to fraction form
6,418,588,752.10/9,628,542,849.36 = 2,221,534,715.74/x - Step 3: Cross multiply
6,418,588,752.10x = 9,628,542,849.36 × 2,221,534,715.74 - Step 4: Simplify right side
6,418,588,752.10x = 21,390,142,201,843,376,128 - Step 5: Solve for x
x = 21,390,142,201,843,376,128/6,418,588,752.10 - Step 6: Final answer
x = 3,332,530,409.41
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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.