Finding the Fourth Proportional to 2,621,072,177.51, 3,931,622,963.91 and 874,270,118.79
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Solution
The fourth proportional to 2,621,072,177.51, 3,931,622,963.91 and 874,270,118.79 is: 1,311,410,080.65
Step by Step Solution
- Step 1: Write the proportion equation
2,621,072,177.51 : 3,931,622,963.91 = 874,270,118.79 : x - Step 2: Convert to fraction form
2,621,072,177.51/3,931,622,963.91 = 874,270,118.79/x - Step 3: Cross multiply
2,621,072,177.51x = 3,931,622,963.91 × 874,270,118.79 - Step 4: Simplify right side
2,621,072,177.51x = 3,437,300,475,695,087,104 - Step 5: Solve for x
x = 3,437,300,475,695,087,104/2,621,072,177.51 - Step 6: Final answer
x = 1,311,410,080.65
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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.