Finding the Fourth Proportional to 737,272,743.99, 1,105,901,541.45 and 426,182,414.85
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Solution
The fourth proportional to 737,272,743.99, 1,105,901,541.45 and 426,182,414.85 is: 639,269,243.80
Step by Step Solution
- Step 1: Write the proportion equation
737,272,743.99 : 1,105,901,541.45 = 426,182,414.85 : x - Step 2: Convert to fraction form
737,272,743.99/1,105,901,541.45 = 426,182,414.85/x - Step 3: Cross multiply
737,272,743.99x = 1,105,901,541.45 × 426,182,414.85 - Step 4: Simplify right side
737,272,743.99x = 471,315,789,521,498,432 - Step 5: Solve for x
x = 471,315,789,521,498,432/737,272,743.99 - Step 6: Final answer
x = 639,269,243.80
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1.5x scale
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.