Finding the Fourth Proportional to 1,823,678,233.30, 2,516,678,114.70 and 988,302,803.94
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Solution
The fourth proportional to 1,823,678,233.30, 2,516,678,114.70 and 988,302,803.94 is: 1,363,859,036.07
Step by Step Solution
- Step 1: Write the proportion equation
1,823,678,233.30 : 2,516,678,114.70 = 988,302,803.94 : x - Step 2: Convert to fraction form
1,823,678,233.30/2,516,678,114.70 = 988,302,803.94/x - Step 3: Cross multiply
1,823,678,233.30x = 2,516,678,114.70 × 988,302,803.94 - Step 4: Simplify right side
1,823,678,233.30x = 2,487,240,037,372,443,136 - Step 5: Solve for x
x = 2,487,240,037,372,443,136/1,823,678,233.30 - Step 6: Final answer
x = 1,363,859,036.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.