Finding the Fourth Proportional to 423,655,631.68, 584,629,860.20 and 232,915,260.41
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Solution
The fourth proportional to 423,655,631.68, 584,629,860.20 and 232,915,260.41 is: 321,414,861.39
Step by Step Solution
- Step 1: Write the proportion equation
423,655,631.68 : 584,629,860.20 = 232,915,260.41 : x - Step 2: Convert to fraction form
423,655,631.68/584,629,860.20 = 232,915,260.41/x - Step 3: Cross multiply
423,655,631.68x = 584,629,860.20 × 232,915,260.41 - Step 4: Simplify right side
423,655,631.68x = 136,169,216,135,309,136 - Step 5: Solve for x
x = 136,169,216,135,309,136/423,655,631.68 - Step 6: Final answer
x = 321,414,861.39
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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.