Finding the Fourth Proportional to 264,257,551.80, 396,386,327.70 and 196,233,103.80
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Solution
The fourth proportional to 264,257,551.80, 396,386,327.70 and 196,233,103.80 is: 294,349,655.70
Step by Step Solution
- Step 1: Write the proportion equation
264,257,551.80 : 396,386,327.70 = 196,233,103.80 : x - Step 2: Convert to fraction form
264,257,551.80/396,386,327.70 = 196,233,103.80/x - Step 3: Cross multiply
264,257,551.80x = 396,386,327.70 × 196,233,103.80 - Step 4: Simplify right side
264,257,551.80x = 77,784,119,388,454,912 - Step 5: Solve for x
x = 77,784,119,388,454,912/264,257,551.80 - Step 6: Final answer
x = 294,349,655.70
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1.5x scale
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.