Finding the Fourth Proportional to 585,212,441.91, 806,811,930.48 and 464,909,588.79
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Solution
The fourth proportional to 585,212,441.91, 806,811,930.48 and 464,909,588.79 is: 640,954,593.53
Step by Step Solution
- Step 1: Write the proportion equation
585,212,441.91 : 806,811,930.48 = 464,909,588.79 : x - Step 2: Convert to fraction form
585,212,441.91/806,811,930.48 = 464,909,588.79/x - Step 3: Cross multiply
585,212,441.91x = 806,811,930.48 × 464,909,588.79 - Step 4: Simplify right side
585,212,441.91x = 375,094,602,830,322,880 - Step 5: Solve for x
x = 375,094,602,830,322,880/585,212,441.91 - Step 6: Final answer
x = 640,954,593.53
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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.