Finding the Fourth Proportional to 1,918,027,223,135.20, 2,877,217,687,684.40 and 627,245,172,774.84
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Solution
The fourth proportional to 1,918,027,223,135.20, 2,877,217,687,684.40 and 627,245,172,774.84 is: 940,925,594,722.50
Step by Step Solution
- Step 1: Write the proportion equation
1,918,027,223,135.20 : 2,877,217,687,684.40 = 627,245,172,774.84 : x - Step 2: Convert to fraction form
1,918,027,223,135.20/2,877,217,687,684.40 = 627,245,172,774.84/x - Step 3: Cross multiply
1,918,027,223,135.20x = 2,877,217,687,684.40 × 627,245,172,774.84 - Step 4: Simplify right side
1,918,027,223,135.20x = 1,804,720,905,622,427,021,606,912 - Step 5: Solve for x
x = 1,804,720,905,622,427,021,606,912/1,918,027,223,135.20 - Step 6: Final answer
x = 940,925,594,722.50
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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.