Finding the Fourth Proportional to 293,184,415.40, 439,776,623.10 and 189,720,069.80
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Solution
The fourth proportional to 293,184,415.40, 439,776,623.10 and 189,720,069.80 is: 284,580,104.70
Step by Step Solution
- Step 1: Write the proportion equation
293,184,415.40 : 439,776,623.10 = 189,720,069.80 : x - Step 2: Convert to fraction form
293,184,415.40/439,776,623.10 = 189,720,069.80/x - Step 3: Cross multiply
293,184,415.40x = 439,776,623.10 × 189,720,069.80 - Step 4: Simplify right side
293,184,415.40x = 83,434,451,630,940,304 - Step 5: Solve for x
x = 83,434,451,630,940,304/293,184,415.40 - Step 6: Final answer
x = 284,580,104.70
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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.