Finding the Fourth Proportional to 4,292,352,014.90, 6,438,528,022.35 and 4,171,419,662.90
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Solution
The fourth proportional to 4,292,352,014.90, 6,438,528,022.35 and 4,171,419,662.90 is: 6,257,129,494.35
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,014.90 : 6,438,528,022.35 = 4,171,419,662.90 : x - Step 2: Convert to fraction form
4,292,352,014.90/6,438,528,022.35 = 4,171,419,662.90/x - Step 3: Cross multiply
4,292,352,014.90x = 6,438,528,022.35 × 4,171,419,662.90 - Step 4: Simplify right side
4,292,352,014.90x = 26,857,802,392,563,441,664 - Step 5: Solve for x
x = 26,857,802,392,563,441,664/4,292,352,014.90 - Step 6: Final answer
x = 6,257,129,494.35
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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.