Finding the Fourth Proportional to 2,621,072,031.17, 3,931,622,744.41 and 874,269,972.35
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Solution
The fourth proportional to 2,621,072,031.17, 3,931,622,744.41 and 874,269,972.35 is: 1,311,409,860.99
Step by Step Solution
- Step 1: Write the proportion equation
2,621,072,031.17 : 3,931,622,744.41 = 874,269,972.35 : x - Step 2: Convert to fraction form
2,621,072,031.17/3,931,622,744.41 = 874,269,972.35/x - Step 3: Cross multiply
2,621,072,031.17x = 3,931,622,744.41 × 874,269,972.35 - Step 4: Simplify right side
2,621,072,031.17x = 3,437,299,708,045,961,728 - Step 5: Solve for x
x = 3,437,299,708,045,961,728/2,621,072,031.17 - Step 6: Final answer
x = 1,311,409,860.99
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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.