Finding the Fourth Proportional to 266,119,204.60, 399,178,806.90 and 194,455,588.60
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Solution
The fourth proportional to 266,119,204.60, 399,178,806.90 and 194,455,588.60 is: 291,683,382.90
Step by Step Solution
- Step 1: Write the proportion equation
266,119,204.60 : 399,178,806.90 = 194,455,588.60 : x - Step 2: Convert to fraction form
266,119,204.60/399,178,806.90 = 194,455,588.60/x - Step 3: Cross multiply
266,119,204.60x = 399,178,806.90 × 194,455,588.60 - Step 4: Simplify right side
266,119,204.60x = 77,622,549,852,385,232 - Step 5: Solve for x
x = 77,622,549,852,385,232/266,119,204.60 - Step 6: Final answer
x = 291,683,382.90
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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.