Finding the Fourth Proportional to 424,667,837.34, 637,037,909.35 and 129,629,226.83
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Solution
The fourth proportional to 424,667,837.34, 637,037,909.35 and 129,629,226.83 is: 194,454,875.99
Step by Step Solution
- Step 1: Write the proportion equation
424,667,837.34 : 637,037,909.35 = 129,629,226.83 : x - Step 2: Convert to fraction form
424,667,837.34/637,037,909.35 = 129,629,226.83/x - Step 3: Cross multiply
424,667,837.34x = 637,037,909.35 × 129,629,226.83 - Step 4: Simplify right side
424,667,837.34x = 82,578,731,646,930,864 - Step 5: Solve for x
x = 82,578,731,646,930,864/424,667,837.34 - Step 6: Final answer
x = 194,454,875.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.