Finding the Fourth Proportional to 347,071,621.44, 520,069,197.28 and 201,143,236.80
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Solution
The fourth proportional to 347,071,621.44, 520,069,197.28 and 201,143,236.80 is: 301,402,924.47
Step by Step Solution
- Step 1: Write the proportion equation
347,071,621.44 : 520,069,197.28 = 201,143,236.80 : x - Step 2: Convert to fraction form
347,071,621.44/520,069,197.28 = 201,143,236.80/x - Step 3: Cross multiply
347,071,621.44x = 520,069,197.28 × 201,143,236.80 - Step 4: Simplify right side
347,071,621.44x = 104,608,401,700,876,960 - Step 5: Solve for x
x = 104,608,401,700,876,960/347,071,621.44 - Step 6: Final answer
x = 301,402,924.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.