Finding the Fourth Proportional to 661,156,171.86, 991,427,797.81 and 246,521,663.50
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Solution
The fourth proportional to 661,156,171.86, 991,427,797.81 and 246,521,663.50 is: 369,668,227.20
Step by Step Solution
- Step 1: Write the proportion equation
661,156,171.86 : 991,427,797.81 = 246,521,663.50 : x - Step 2: Convert to fraction form
661,156,171.86/991,427,797.81 = 246,521,663.50/x - Step 3: Cross multiply
661,156,171.86x = 991,427,797.81 × 246,521,663.50 - Step 4: Simplify right side
661,156,171.86x = 244,408,429,956,262,848 - Step 5: Solve for x
x = 244,408,429,956,262,848/661,156,171.86 - Step 6: Final answer
x = 369,668,227.20
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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.