Finding the Fourth Proportional to 307,840,749.55, 462,497,782.73 and 197,392,811.90
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Solution
The fourth proportional to 307,840,749.55, 462,497,782.73 and 197,392,811.90 is: 296,561,575.95
Step by Step Solution
- Step 1: Write the proportion equation
307,840,749.55 : 462,497,782.73 = 197,392,811.90 : x - Step 2: Convert to fraction form
307,840,749.55/462,497,782.73 = 197,392,811.90/x - Step 3: Cross multiply
307,840,749.55x = 462,497,782.73 × 197,392,811.90 - Step 4: Simplify right side
307,840,749.55x = 91,293,737,827,290,512 - Step 5: Solve for x
x = 91,293,737,827,290,512/307,840,749.55 - Step 6: Final answer
x = 296,561,575.95
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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.