Finding the Fourth Proportional to 272,629,203,420.55, 408,943,805,130.82 and 272,629,203,420.55
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Solution
The fourth proportional to 272,629,203,420.55, 408,943,805,130.82 and 272,629,203,420.55 is: 408,943,805,130.82
Step by Step Solution
- Step 1: Write the proportion equation
272,629,203,420.55 : 408,943,805,130.82 = 272,629,203,420.55 : x - Step 2: Convert to fraction form
272,629,203,420.55/408,943,805,130.82 = 272,629,203,420.55/x - Step 3: Cross multiply
272,629,203,420.55x = 408,943,805,130.82 × 272,629,203,420.55 - Step 4: Simplify right side
272,629,203,420.55x = 111,490,023,836,584,087,912,448 - Step 5: Solve for x
x = 111,490,023,836,584,087,912,448/272,629,203,420.55 - Step 6: Final answer
x = 408,943,805,130.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.