Finding the Fourth Proportional to 1,897,219,424.38, 2,618,244,623.70 and 1,050,446,762.95
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Solution
The fourth proportional to 1,897,219,424.38, 2,618,244,623.70 and 1,050,446,762.95 is: 1,449,661,833.65
Step by Step Solution
- Step 1: Write the proportion equation
1,897,219,424.38 : 2,618,244,623.70 = 1,050,446,762.95 : x - Step 2: Convert to fraction form
1,897,219,424.38/2,618,244,623.70 = 1,050,446,762.95/x - Step 3: Cross multiply
1,897,219,424.38x = 2,618,244,623.70 × 1,050,446,762.95 - Step 4: Simplify right side
1,897,219,424.38x = 2,750,326,589,576,905,728 - Step 5: Solve for x
x = 2,750,326,589,576,905,728/1,897,219,424.38 - Step 6: Final answer
x = 1,449,661,833.65
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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.