Finding the Fourth Proportional to 21,163,667,642.01, 31,746,189,023.99 and 6,239,581,715.54
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Solution
The fourth proportional to 21,163,667,642.01, 31,746,189,023.99 and 6,239,581,715.54 is: 9,359,575,283.58
Step by Step Solution
- Step 1: Write the proportion equation
21,163,667,642.01 : 31,746,189,023.99 = 6,239,581,715.54 : x - Step 2: Convert to fraction form
21,163,667,642.01/31,746,189,023.99 = 6,239,581,715.54/x - Step 3: Cross multiply
21,163,667,642.01x = 31,746,189,023.99 × 6,239,581,715.54 - Step 4: Simplify right side
21,163,667,642.01x = 198,082,940,571,974,696,960 - Step 5: Solve for x
x = 198,082,940,571,974,696,960/21,163,667,642.01 - Step 6: Final answer
x = 9,359,575,283.58
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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.