Finding the Fourth Proportional to 505,039,811.44, 696,756,638.28 and 293,310,599.44
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Solution
The fourth proportional to 505,039,811.44, 696,756,638.28 and 293,310,599.44 is: 404,653,460.20
Step by Step Solution
- Step 1: Write the proportion equation
505,039,811.44 : 696,756,638.28 = 293,310,599.44 : x - Step 2: Convert to fraction form
505,039,811.44/696,756,638.28 = 293,310,599.44/x - Step 3: Cross multiply
505,039,811.44x = 696,756,638.28 × 293,310,599.44 - Step 4: Simplify right side
505,039,811.44x = 204,366,107,237,706,048 - Step 5: Solve for x
x = 204,366,107,237,706,048/505,039,811.44 - Step 6: Final answer
x = 404,653,460.20
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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.