Finding the Fourth Proportional to 668,205,864, 922,112,778.24 and 374,844,133.44
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Solution
The fourth proportional to 668,205,864, 922,112,778.24 and 374,844,133.44 is: 517,278,557.28
Step by Step Solution
- Step 1: Write the proportion equation
668,205,864 : 922,112,778.24 = 374,844,133.44 : x - Step 2: Convert to fraction form
668,205,864/922,112,778.24 = 374,844,133.44/x - Step 3: Cross multiply
668,205,864x = 922,112,778.24 × 374,844,133.44 - Step 4: Simplify right side
668,205,864x = 345,648,565,293,323,712 - Step 5: Solve for x
x = 345,648,565,293,323,712/668,205,864 - Step 6: Final answer
x = 517,278,557.28
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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.