Finding the Fourth Proportional to 3,997,509,840,676.90, 5,516,563,580,135 and 2,286,660,961,252.90
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Solution
The fourth proportional to 3,997,509,840,676.90, 5,516,563,580,135 and 2,286,660,961,252.90 is: 3,155,592,126,529.50
Step by Step Solution
- Step 1: Write the proportion equation
3,997,509,840,676.90 : 5,516,563,580,135 = 2,286,660,961,252.90 : x - Step 2: Convert to fraction form
3,997,509,840,676.90/5,516,563,580,135 = 2,286,660,961,252.90/x - Step 3: Cross multiply
3,997,509,840,676.90x = 5,516,563,580,135 × 2,286,660,961,252.90 - Step 4: Simplify right side
3,997,509,840,676.90x = 12,614,510,578,964,237,318,619,136 - Step 5: Solve for x
x = 12,614,510,578,964,237,318,619,136/3,997,509,840,676.90 - Step 6: Final answer
x = 3,155,592,126,529.50
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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.