Finding the Fourth Proportional to 455,350,545.55, 628,383,964.35 and 246,506,687.92
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Solution
The fourth proportional to 455,350,545.55, 628,383,964.35 and 246,506,687.92 is: 340,179,343.82
Step by Step Solution
- Step 1: Write the proportion equation
455,350,545.55 : 628,383,964.35 = 246,506,687.92 : x - Step 2: Convert to fraction form
455,350,545.55/628,383,964.35 = 246,506,687.92/x - Step 3: Cross multiply
455,350,545.55x = 628,383,964.35 × 246,506,687.92 - Step 4: Simplify right side
455,350,545.55x = 154,900,849,793,957,856 - Step 5: Solve for x
x = 154,900,849,793,957,856/455,350,545.55 - Step 6: Final answer
x = 340,179,343.82
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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.