Finding the Fourth Proportional to 405,437,566.95, 559,545,544.02 and 246,678,960.65
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Solution
The fourth proportional to 405,437,566.95, 559,545,544.02 and 246,678,960.65 is: 340,442,338.07
Step by Step Solution
- Step 1: Write the proportion equation
405,437,566.95 : 559,545,544.02 = 246,678,960.65 : x - Step 2: Convert to fraction form
405,437,566.95/559,545,544.02 = 246,678,960.65/x - Step 3: Cross multiply
405,437,566.95x = 559,545,544.02 × 246,678,960.65 - Step 4: Simplify right side
405,437,566.95x = 138,028,113,232,394,704 - Step 5: Solve for x
x = 138,028,113,232,394,704/405,437,566.95 - Step 6: Final answer
x = 340,442,338.07
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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.