Finding the Fourth Proportional to 276,053,678.70, 413,728,848.45 and 146,723,246.70
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Solution
The fourth proportional to 276,053,678.70, 413,728,848.45 and 146,723,246.70 is: 219,897,956.74
Step by Step Solution
- Step 1: Write the proportion equation
276,053,678.70 : 413,728,848.45 = 146,723,246.70 : x - Step 2: Convert to fraction form
276,053,678.70/413,728,848.45 = 146,723,246.70/x - Step 3: Cross multiply
276,053,678.70x = 413,728,848.45 × 146,723,246.70 - Step 4: Simplify right side
276,053,678.70x = 60,703,639,898,036,256 - Step 5: Solve for x
x = 60,703,639,898,036,256/276,053,678.70 - Step 6: Final answer
x = 219,897,956.74
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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.