Finding the Fourth Proportional to 2,638,129,723,456, 3,954,928,198,027.10 and 916,854,432,212.82
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Solution
The fourth proportional to 2,638,129,723,456, 3,954,928,198,027.10 and 916,854,432,212.82 is: 1,374,493,989,133.47
Step by Step Solution
- Step 1: Write the proportion equation
2,638,129,723,456 : 3,954,928,198,027.10 = 916,854,432,212.82 : x - Step 2: Convert to fraction form
2,638,129,723,456/3,954,928,198,027.10 = 916,854,432,212.82/x - Step 3: Cross multiply
2,638,129,723,456x = 3,954,928,198,027.10 × 916,854,432,212.82 - Step 4: Simplify right side
2,638,129,723,456x = 3,626,093,447,444,607,830,851,584 - Step 5: Solve for x
x = 3,626,093,447,444,607,830,851,584/2,638,129,723,456 - Step 6: Final answer
x = 1,374,493,989,133.47
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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.