Finding the Fourth Proportional to 431,587,564, 595,645,387.34 and 283,033,664.44
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Solution
The fourth proportional to 431,587,564, 595,645,387.34 and 283,033,664.44 is: 390,622,229.99
Step by Step Solution
- Step 1: Write the proportion equation
431,587,564 : 595,645,387.34 = 283,033,664.44 : x - Step 2: Convert to fraction form
431,587,564/595,645,387.34 = 283,033,664.44/x - Step 3: Cross multiply
431,587,564x = 595,645,387.34 × 283,033,664.44 - Step 4: Simplify right side
431,587,564x = 168,587,696,685,623,392 - Step 5: Solve for x
x = 168,587,696,685,623,392/431,587,564 - Step 6: Final answer
x = 390,622,229.99
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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.