Finding the Fourth Proportional to 5,382,720,467.20, 8,077,691,875.20 and 1,889,119,187.20
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Solution
The fourth proportional to 5,382,720,467.20, 8,077,691,875.20 and 1,889,119,187.20 is: 2,834,946,158.31
Step by Step Solution
- Step 1: Write the proportion equation
5,382,720,467.20 : 8,077,691,875.20 = 1,889,119,187.20 : x - Step 2: Convert to fraction form
5,382,720,467.20/8,077,691,875.20 = 1,889,119,187.20/x - Step 3: Cross multiply
5,382,720,467.20x = 8,077,691,875.20 × 1,889,119,187.20 - Step 4: Simplify right side
5,382,720,467.20x = 15,259,722,709,729,867,776 - Step 5: Solve for x
x = 15,259,722,709,729,867,776/5,382,720,467.20 - Step 6: Final answer
x = 2,834,946,158.31
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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.