Finding the Fourth Proportional to 280,492,078.65, 420,738,117.98 and 232,716,334.65
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Solution
The fourth proportional to 280,492,078.65, 420,738,117.98 and 232,716,334.65 is: 349,074,501.98
Step by Step Solution
- Step 1: Write the proportion equation
280,492,078.65 : 420,738,117.98 = 232,716,334.65 : x - Step 2: Convert to fraction form
280,492,078.65/420,738,117.98 = 232,716,334.65/x - Step 3: Cross multiply
280,492,078.65x = 420,738,117.98 × 232,716,334.65 - Step 4: Simplify right side
280,492,078.65x = 97,912,632,662,681,296 - Step 5: Solve for x
x = 97,912,632,662,681,296/280,492,078.65 - Step 6: Final answer
x = 349,074,501.98
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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.