Finding the Fourth Proportional to 13,854,276,539.95, 19,119,052,108.33 and 8,138,801,862.48
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Solution
The fourth proportional to 13,854,276,539.95, 19,119,052,108.33 and 8,138,801,862.48 is: 11,231,634,972.75
Step by Step Solution
- Step 1: Write the proportion equation
13,854,276,539.95 : 19,119,052,108.33 = 8,138,801,862.48 : x - Step 2: Convert to fraction form
13,854,276,539.95/19,119,052,108.33 = 8,138,801,862.48/x - Step 3: Cross multiply
13,854,276,539.95x = 19,119,052,108.33 × 8,138,801,862.48 - Step 4: Simplify right side
13,854,276,539.95x = 155,606,176,908,198,182,912 - Step 5: Solve for x
x = 155,606,176,908,198,182,912/13,854,276,539.95 - Step 6: Final answer
x = 11,231,634,972.75
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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.