Finding the Fourth Proportional to 355,236,661.99, 490,201,707.22 and 206,547,234.31
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Solution
The fourth proportional to 355,236,661.99, 490,201,707.22 and 206,547,234.31 is: 285,020,713.55
Step by Step Solution
- Step 1: Write the proportion equation
355,236,661.99 : 490,201,707.22 = 206,547,234.31 : x - Step 2: Convert to fraction form
355,236,661.99/490,201,707.22 = 206,547,234.31/x - Step 3: Cross multiply
355,236,661.99x = 490,201,707.22 × 206,547,234.31 - Step 4: Simplify right side
355,236,661.99x = 101,249,806,880,331,360 - Step 5: Solve for x
x = 101,249,806,880,331,360/355,236,661.99 - Step 6: Final answer
x = 285,020,713.55
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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.