Finding the Fourth Proportional to 737,912,234.97, 1,018,319,107.77 and 403,386,221.79
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Solution
The fourth proportional to 737,912,234.97, 1,018,319,107.77 and 403,386,221.79 is: 556,673,108.25
Step by Step Solution
- Step 1: Write the proportion equation
737,912,234.97 : 1,018,319,107.77 = 403,386,221.79 : x - Step 2: Convert to fraction form
737,912,234.97/1,018,319,107.77 = 403,386,221.79/x - Step 3: Cross multiply
737,912,234.97x = 1,018,319,107.77 × 403,386,221.79 - Step 4: Simplify right side
737,912,234.97x = 410,775,897,459,904,128 - Step 5: Solve for x
x = 410,775,897,459,904,128/737,912,234.97 - Step 6: Final answer
x = 556,673,108.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.