Finding the Fourth Proportional to 427,606,634.05, 641,652,590.50 and 230,867,427.35
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Solution
The fourth proportional to 427,606,634.05, 641,652,590.50 and 230,867,427.35 is: 346,432,143.53
Step by Step Solution
- Step 1: Write the proportion equation
427,606,634.05 : 641,652,590.50 = 230,867,427.35 : x - Step 2: Convert to fraction form
427,606,634.05/641,652,590.50 = 230,867,427.35/x - Step 3: Cross multiply
427,606,634.05x = 641,652,590.50 × 230,867,427.35 - Step 4: Simplify right side
427,606,634.05x = 148,136,682,822,224,992 - Step 5: Solve for x
x = 148,136,682,822,224,992/427,606,634.05 - Step 6: Final answer
x = 346,432,143.53
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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.