Finding the Fourth Proportional to 372,542,594.28, 514,085,615.75 and 205,269,494.75
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Solution
The fourth proportional to 372,542,594.28, 514,085,615.75 and 205,269,494.75 is: 283,259,139.28
Step by Step Solution
- Step 1: Write the proportion equation
372,542,594.28 : 514,085,615.75 = 205,269,494.75 : x - Step 2: Convert to fraction form
372,542,594.28/514,085,615.75 = 205,269,494.75/x - Step 3: Cross multiply
372,542,594.28x = 514,085,615.75 × 205,269,494.75 - Step 4: Simplify right side
372,542,594.28x = 105,526,094,599,648,368 - Step 5: Solve for x
x = 105,526,094,599,648,368/372,542,594.28 - Step 6: Final answer
x = 283,259,139.28
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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.