Finding the Fourth Proportional to 21,721,459,428.08, 32,564,606,400.58 and 6,790,939,660.99
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Solution
The fourth proportional to 21,721,459,428.08, 32,564,606,400.58 and 6,790,939,660.99 is: 10,180,912,469.64
Step by Step Solution
- Step 1: Write the proportion equation
21,721,459,428.08 : 32,564,606,400.58 = 6,790,939,660.99 : x - Step 2: Convert to fraction form
21,721,459,428.08/32,564,606,400.58 = 6,790,939,660.99/x - Step 3: Cross multiply
21,721,459,428.08x = 32,564,606,400.58 × 6,790,939,660.99 - Step 4: Simplify right side
21,721,459,428.08x = 221,144,277,150,125,752,320 - Step 5: Solve for x
x = 221,144,277,150,125,752,320/21,721,459,428.08 - Step 6: Final answer
x = 10,180,912,469.64
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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.