Finding the Fourth Proportional to 291,479,972.92, 437,296,533.84 and 104,752,768.84
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Solution
The fourth proportional to 291,479,972.92, 437,296,533.84 and 104,752,768.84 is: 157,156,672.78
Step by Step Solution
- Step 1: Write the proportion equation
291,479,972.92 : 437,296,533.84 = 104,752,768.84 : x - Step 2: Convert to fraction form
291,479,972.92/437,296,533.84 = 104,752,768.84/x - Step 3: Cross multiply
291,479,972.92x = 437,296,533.84 × 104,752,768.84 - Step 4: Simplify right side
291,479,972.92x = 45,808,022,725,243,496 - Step 5: Solve for x
x = 45,808,022,725,243,496/291,479,972.92 - Step 6: Final answer
x = 157,156,672.78
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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.