Finding the Fourth Proportional to 1,488,427,819.68, 2,232,471,373.20 and 397,995,918.24
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Solution
The fourth proportional to 1,488,427,819.68, 2,232,471,373.20 and 397,995,918.24 is: 596,948,325.19
Step by Step Solution
- Step 1: Write the proportion equation
1,488,427,819.68 : 2,232,471,373.20 = 397,995,918.24 : x - Step 2: Convert to fraction form
1,488,427,819.68/2,232,471,373.20 = 397,995,918.24/x - Step 3: Cross multiply
1,488,427,819.68x = 2,232,471,373.20 × 397,995,918.24 - Step 4: Simplify right side
1,488,427,819.68x = 888,514,494,121,247,616 - Step 5: Solve for x
x = 888,514,494,121,247,616/1,488,427,819.68 - Step 6: Final answer
x = 596,948,325.19
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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.