Finding the Fourth Proportional to 5,422,843,349.58, 8,137,403,258.18 and 2,274,776,019.21
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Solution
The fourth proportional to 5,422,843,349.58, 8,137,403,258.18 and 2,274,776,019.21 is: 3,413,480,456.11
Step by Step Solution
- Step 1: Write the proportion equation
5,422,843,349.58 : 8,137,403,258.18 = 2,274,776,019.21 : x - Step 2: Convert to fraction form
5,422,843,349.58/8,137,403,258.18 = 2,274,776,019.21/x - Step 3: Cross multiply
5,422,843,349.58x = 8,137,403,258.18 × 2,274,776,019.21 - Step 4: Simplify right side
5,422,843,349.58x = 18,510,769,790,337,810,432 - Step 5: Solve for x
x = 18,510,769,790,337,810,432/5,422,843,349.58 - Step 6: Final answer
x = 3,413,480,456.11
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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.