Finding the Fourth Proportional to 427,730,682.96, 641,734,198.83 and 197,850,564
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Solution
The fourth proportional to 427,730,682.96, 641,734,198.83 and 197,850,564 is: 296,839,759.77
Step by Step Solution
- Step 1: Write the proportion equation
427,730,682.96 : 641,734,198.83 = 197,850,564 : x - Step 2: Convert to fraction form
427,730,682.96/641,734,198.83 = 197,850,564/x - Step 3: Cross multiply
427,730,682.96x = 641,734,198.83 × 197,850,564 - Step 4: Simplify right side
427,730,682.96x = 126,967,473,176,603,648 - Step 5: Solve for x
x = 126,967,473,176,603,648/427,730,682.96 - Step 6: Final answer
x = 296,839,759.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.