Finding the Fourth Proportional to 20,883,519,765.34, 28,819,260,385.11 and 11,368,143,750.99
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Solution
The fourth proportional to 20,883,519,765.34, 28,819,260,385.11 and 11,368,143,750.99 is: 15,688,040,068.74
Step by Step Solution
- Step 1: Write the proportion equation
20,883,519,765.34 : 28,819,260,385.11 = 11,368,143,750.99 : x - Step 2: Convert to fraction form
20,883,519,765.34/28,819,260,385.11 = 11,368,143,750.99/x - Step 3: Cross multiply
20,883,519,765.34x = 28,819,260,385.11 × 11,368,143,750.99 - Step 4: Simplify right side
20,883,519,765.34x = 327,621,494,854,940,950,528 - Step 5: Solve for x
x = 327,621,494,854,940,950,528/20,883,519,765.34 - Step 6: Final answer
x = 15,688,040,068.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.