Finding the Fourth Proportional to 319,800,277.84, 478,315,597.44 and 188,329,164.84
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Solution
The fourth proportional to 319,800,277.84, 478,315,597.44 and 188,329,164.84 is: 281,678,232.44
Step by Step Solution
- Step 1: Write the proportion equation
319,800,277.84 : 478,315,597.44 = 188,329,164.84 : x - Step 2: Convert to fraction form
319,800,277.84/478,315,597.44 = 188,329,164.84/x - Step 3: Cross multiply
319,800,277.84x = 478,315,597.44 × 188,329,164.84 - Step 4: Simplify right side
319,800,277.84x = 90,080,776,995,820,848 - Step 5: Solve for x
x = 90,080,776,995,820,848/319,800,277.84 - Step 6: Final answer
x = 281,678,232.44
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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.