Finding the Fourth Proportional to 618,134,545.38, 927,345,234.35 and 203,596,490.49
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Solution
The fourth proportional to 618,134,545.38, 927,345,234.35 and 203,596,490.49 is: 305,441,973.11
Step by Step Solution
- Step 1: Write the proportion equation
618,134,545.38 : 927,345,234.35 = 203,596,490.49 : x - Step 2: Convert to fraction form
618,134,545.38/927,345,234.35 = 203,596,490.49/x - Step 3: Cross multiply
618,134,545.38x = 927,345,234.35 × 203,596,490.49 - Step 4: Simplify right side
618,134,545.38x = 188,804,235,186,286,624 - Step 5: Solve for x
x = 188,804,235,186,286,624/618,134,545.38 - Step 6: Final answer
x = 305,441,973.11
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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.