Finding the Fourth Proportional to 434,987,502.96, 652,542,412.68 and 139,783,652.40
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Solution
The fourth proportional to 434,987,502.96, 652,542,412.68 and 139,783,652.40 is: 209,695,131.86
Step by Step Solution
- Step 1: Write the proportion equation
434,987,502.96 : 652,542,412.68 = 139,783,652.40 : x - Step 2: Convert to fraction form
434,987,502.96/652,542,412.68 = 139,783,652.40/x - Step 3: Cross multiply
434,987,502.96x = 652,542,412.68 × 139,783,652.40 - Step 4: Simplify right side
434,987,502.96x = 91,214,761,790,318,464 - Step 5: Solve for x
x = 91,214,761,790,318,464/434,987,502.96 - Step 6: Final answer
x = 209,695,131.86
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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.