Finding the Fourth Proportional to 314,935,940.70, 472,403,911.05 and 295,804,064.70
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Solution
The fourth proportional to 314,935,940.70, 472,403,911.05 and 295,804,064.70 is: 443,706,097.05
Step by Step Solution
- Step 1: Write the proportion equation
314,935,940.70 : 472,403,911.05 = 295,804,064.70 : x - Step 2: Convert to fraction form
314,935,940.70/472,403,911.05 = 295,804,064.70/x - Step 3: Cross multiply
314,935,940.70x = 472,403,911.05 × 295,804,064.70 - Step 4: Simplify right side
314,935,940.70x = 139,738,997,068,767,248 - Step 5: Solve for x
x = 139,738,997,068,767,248/314,935,940.70 - Step 6: Final answer
x = 443,706,097.05
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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.