Finding the Fourth Proportional to 2,312,294,973.75, 3,190,969,425.38 and 1,255,023,163.88
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Solution
The fourth proportional to 2,312,294,973.75, 3,190,969,425.38 and 1,255,023,163.88 is: 1,731,933,247.93
Step by Step Solution
- Step 1: Write the proportion equation
2,312,294,973.75 : 3,190,969,425.38 = 1,255,023,163.88 : x - Step 2: Convert to fraction form
2,312,294,973.75/3,190,969,425.38 = 1,255,023,163.88/x - Step 3: Cross multiply
2,312,294,973.75x = 3,190,969,425.38 × 1,255,023,163.88 - Step 4: Simplify right side
2,312,294,973.75x = 4,004,740,544,062,523,392 - Step 5: Solve for x
x = 4,004,740,544,062,523,392/2,312,294,973.75 - Step 6: Final answer
x = 1,731,933,247.93
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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.