Finding the Fourth Proportional to 442,476,454.42, 610,617,566.87 and 244,237,986.62
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Solution
The fourth proportional to 442,476,454.42, 610,617,566.87 and 244,237,986.62 is: 337,048,454.52
Step by Step Solution
- Step 1: Write the proportion equation
442,476,454.42 : 610,617,566.87 = 244,237,986.62 : x - Step 2: Convert to fraction form
442,476,454.42/610,617,566.87 = 244,237,986.62/x - Step 3: Cross multiply
442,476,454.42x = 610,617,566.87 × 244,237,986.62 - Step 4: Simplify right side
442,476,454.42x = 149,136,005,124,078,944 - Step 5: Solve for x
x = 149,136,005,124,078,944/442,476,454.42 - Step 6: Final answer
x = 337,048,454.52
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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.