Finding the Fourth Proportional to 1,388,247,524.92, 2,082,529,303.26 and 503,349,612.84
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Solution
The fourth proportional to 1,388,247,524.92, 2,082,529,303.26 and 503,349,612.84 is: 755,081,712.52
Step by Step Solution
- Step 1: Write the proportion equation
1,388,247,524.92 : 2,082,529,303.26 = 503,349,612.84 : x - Step 2: Convert to fraction form
1,388,247,524.92/2,082,529,303.26 = 503,349,612.84/x - Step 3: Cross multiply
1,388,247,524.92x = 2,082,529,303.26 × 503,349,612.84 - Step 4: Simplify right side
1,388,247,524.92x = 1,048,240,318,521,963,264 - Step 5: Solve for x
x = 1,048,240,318,521,963,264/1,388,247,524.92 - Step 6: Final answer
x = 755,081,712.52
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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.