Finding the Fourth Proportional to 460,201,986.81, 687,781,358.17 and 335,966,237.62
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Solution
The fourth proportional to 460,201,986.81, 687,781,358.17 and 335,966,237.62 is: 502,108,469.39
Step by Step Solution
- Step 1: Write the proportion equation
460,201,986.81 : 687,781,358.17 = 335,966,237.62 : x - Step 2: Convert to fraction form
460,201,986.81/687,781,358.17 = 335,966,237.62/x - Step 3: Cross multiply
460,201,986.81x = 687,781,358.17 × 335,966,237.62 - Step 4: Simplify right side
460,201,986.81x = 231,071,315,206,989,184 - Step 5: Solve for x
x = 231,071,315,206,989,184/460,201,986.81 - Step 6: Final answer
x = 502,108,469.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.