Finding the Fourth Proportional to 459,467,155.08, 634,298,815.98 and 354,810,282.12
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Solution
The fourth proportional to 459,467,155.08, 634,298,815.98 and 354,810,282.12 is: 489,818,998.72
Step by Step Solution
- Step 1: Write the proportion equation
459,467,155.08 : 634,298,815.98 = 354,810,282.12 : x - Step 2: Convert to fraction form
459,467,155.08/634,298,815.98 = 354,810,282.12/x - Step 3: Cross multiply
459,467,155.08x = 634,298,815.98 × 354,810,282.12 - Step 4: Simplify right side
459,467,155.08x = 225,055,741,846,245,760 - Step 5: Solve for x
x = 225,055,741,846,245,760/459,467,155.08 - Step 6: Final answer
x = 489,818,998.72
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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.