Finding the Fourth Proportional to 377,014,643.80, 565,521,965.70 and 195,616,115.80
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Solution
The fourth proportional to 377,014,643.80, 565,521,965.70 and 195,616,115.80 is: 293,424,173.70
Step by Step Solution
- Step 1: Write the proportion equation
377,014,643.80 : 565,521,965.70 = 195,616,115.80 : x - Step 2: Convert to fraction form
377,014,643.80/565,521,965.70 = 195,616,115.80/x - Step 3: Cross multiply
377,014,643.80x = 565,521,965.70 × 195,616,115.80 - Step 4: Simplify right side
377,014,643.80x = 110,625,210,329,814,848 - Step 5: Solve for x
x = 110,625,210,329,814,848/377,014,643.80 - Step 6: Final answer
x = 293,424,173.70
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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.