Finding the Fourth Proportional to 930,889,625.60, 1,396,334,438.40 and 317,493,862.40
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Solution
The fourth proportional to 930,889,625.60, 1,396,334,438.40 and 317,493,862.40 is: 476,240,793.60
Step by Step Solution
- Step 1: Write the proportion equation
930,889,625.60 : 1,396,334,438.40 = 317,493,862.40 : x - Step 2: Convert to fraction form
930,889,625.60/1,396,334,438.40 = 317,493,862.40/x - Step 3: Cross multiply
930,889,625.60x = 1,396,334,438.40 × 317,493,862.40 - Step 4: Simplify right side
930,889,625.60x = 443,327,614,049,750,848 - Step 5: Solve for x
x = 443,327,614,049,750,848/930,889,625.60 - Step 6: Final answer
x = 476,240,793.60
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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.