Finding the Fourth Proportional to 1,997,283,176.70, 2,802,318,647.70 and 1,997,283,176.70
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Solution
The fourth proportional to 1,997,283,176.70, 2,802,318,647.70 and 1,997,283,176.70 is: 2,802,318,647.70
Step by Step Solution
- Step 1: Write the proportion equation
1,997,283,176.70 : 2,802,318,647.70 = 1,997,283,176.70 : x - Step 2: Convert to fraction form
1,997,283,176.70/2,802,318,647.70 = 1,997,283,176.70/x - Step 3: Cross multiply
1,997,283,176.70x = 2,802,318,647.70 × 1,997,283,176.70 - Step 4: Simplify right side
1,997,283,176.70x = 5,597,023,890,803,903,488 - Step 5: Solve for x
x = 5,597,023,890,803,903,488/1,997,283,176.70 - Step 6: Final answer
x = 2,802,318,647.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.