Finding the Fourth Proportional to 1,197,716,856.80, 1,796,256,420.60 and 368,668,896.80
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Solution
The fourth proportional to 1,197,716,856.80, 1,796,256,420.60 and 368,668,896.80 is: 552,905,195.58
Step by Step Solution
- Step 1: Write the proportion equation
1,197,716,856.80 : 1,796,256,420.60 = 368,668,896.80 : x - Step 2: Convert to fraction form
1,197,716,856.80/1,796,256,420.60 = 368,668,896.80/x - Step 3: Cross multiply
1,197,716,856.80x = 1,796,256,420.60 × 368,668,896.80 - Step 4: Simplify right side
1,197,716,856.80x = 662,223,872,952,518,784 - Step 5: Solve for x
x = 662,223,872,952,518,784/1,197,716,856.80 - Step 6: Final answer
x = 552,905,195.58
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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.