Finding the Fourth Proportional to 3,134,391,448.68, 4,325,330,515.38 and 1,705,468,436.64
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Solution
The fourth proportional to 3,134,391,448.68, 4,325,330,515.38 and 1,705,468,436.64 is: 2,353,475,879.70
Step by Step Solution
- Step 1: Write the proportion equation
3,134,391,448.68 : 4,325,330,515.38 = 1,705,468,436.64 : x - Step 2: Convert to fraction form
3,134,391,448.68/4,325,330,515.38 = 1,705,468,436.64/x - Step 3: Cross multiply
3,134,391,448.68x = 4,325,330,515.38 × 1,705,468,436.64 - Step 4: Simplify right side
3,134,391,448.68x = 7,376,714,672,016,414,720 - Step 5: Solve for x
x = 7,376,714,672,016,414,720/3,134,391,448.68 - Step 6: Final answer
x = 2,353,475,879.70
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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.