Finding the Fourth Proportional to 409,685,559.88, 565,237,000.68 and 250,749,993.19
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Solution
The fourth proportional to 409,685,559.88, 565,237,000.68 and 250,749,993.19 is: 345,955,991.50
Step by Step Solution
- Step 1: Write the proportion equation
409,685,559.88 : 565,237,000.68 = 250,749,993.19 : x - Step 2: Convert to fraction form
409,685,559.88/565,237,000.68 = 250,749,993.19/x - Step 3: Cross multiply
409,685,559.88x = 565,237,000.68 × 250,749,993.19 - Step 4: Simplify right side
409,685,559.88x = 141,733,174,068,358,784 - Step 5: Solve for x
x = 141,733,174,068,358,784/409,685,559.88 - Step 6: Final answer
x = 345,955,991.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.