Finding the Fourth Proportional to 576,259,123.05, 864,119,574.23 and 207,745,540.65
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Solution
The fourth proportional to 576,259,123.05, 864,119,574.23 and 207,745,540.65 is: 311,521,294.77
Step by Step Solution
- Step 1: Write the proportion equation
576,259,123.05 : 864,119,574.23 = 207,745,540.65 : x - Step 2: Convert to fraction form
576,259,123.05/864,119,574.23 = 207,745,540.65/x - Step 3: Cross multiply
576,259,123.05x = 864,119,574.23 × 207,745,540.65 - Step 4: Simplify right side
576,259,123.05x = 179,516,988,133,620,448 - Step 5: Solve for x
x = 179,516,988,133,620,448/576,259,123.05 - Step 6: Final answer
x = 311,521,294.77
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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.