Finding the Fourth Proportional to 4,921,510,608.64, 6,791,726,987.16 and 2,807,073,609.28
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Solution
The fourth proportional to 4,921,510,608.64, 6,791,726,987.16 and 2,807,073,609.28 is: 3,873,785,734.33
Step by Step Solution
- Step 1: Write the proportion equation
4,921,510,608.64 : 6,791,726,987.16 = 2,807,073,609.28 : x - Step 2: Convert to fraction form
4,921,510,608.64/6,791,726,987.16 = 2,807,073,609.28/x - Step 3: Cross multiply
4,921,510,608.64x = 6,791,726,987.16 × 2,807,073,609.28 - Step 4: Simplify right side
4,921,510,608.64x = 19,064,877,587,091,603,456 - Step 5: Solve for x
x = 19,064,877,587,091,603,456/4,921,510,608.64 - Step 6: Final answer
x = 3,873,785,734.33
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1.5x scale
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.