Finding the Fourth Proportional to 338,292,006.80, 472,588,442.80 and 338,292,006.80
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Solution
The fourth proportional to 338,292,006.80, 472,588,442.80 and 338,292,006.80 is: 472,588,442.80
Step by Step Solution
- Step 1: Write the proportion equation
338,292,006.80 : 472,588,442.80 = 338,292,006.80 : x - Step 2: Convert to fraction form
338,292,006.80/472,588,442.80 = 338,292,006.80/x - Step 3: Cross multiply
338,292,006.80x = 472,588,442.80 × 338,292,006.80 - Step 4: Simplify right side
338,292,006.80x = 159,872,892,705,299,008 - Step 5: Solve for x
x = 159,872,892,705,299,008/338,292,006.80 - Step 6: Final answer
x = 472,588,442.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.