Finding the Fourth Proportional to 627,372,126.24, 865,797,423.36 and 348,933,783.84
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Solution
The fourth proportional to 627,372,126.24, 865,797,423.36 and 348,933,783.84 is: 481,541,908.44
Step by Step Solution
- Step 1: Write the proportion equation
627,372,126.24 : 865,797,423.36 = 348,933,783.84 : x - Step 2: Convert to fraction form
627,372,126.24/865,797,423.36 = 348,933,783.84/x - Step 3: Cross multiply
627,372,126.24x = 865,797,423.36 × 348,933,783.84 - Step 4: Simplify right side
627,372,126.24x = 302,105,970,971,927,168 - Step 5: Solve for x
x = 302,105,970,971,927,168/627,372,126.24 - Step 6: Final answer
x = 481,541,908.44
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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.