Finding the Fourth Proportional to 307,840,751.05, 462,497,784.98 and 197,392,813.40
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Solution
The fourth proportional to 307,840,751.05, 462,497,784.98 and 197,392,813.40 is: 296,561,578.20
Step by Step Solution
- Step 1: Write the proportion equation
307,840,751.05 : 462,497,784.98 = 197,392,813.40 : x - Step 2: Convert to fraction form
307,840,751.05/462,497,784.98 = 197,392,813.40/x - Step 3: Cross multiply
307,840,751.05x = 462,497,784.98 × 197,392,813.40 - Step 4: Simplify right side
307,840,751.05x = 91,293,738,965,171,024 - Step 5: Solve for x
x = 91,293,738,965,171,024/307,840,751.05 - Step 6: Final answer
x = 296,561,578.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.