Finding the Fourth Proportional to 515,810,341.80, 773,715,512.70 and 448,625,701.80
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Solution
The fourth proportional to 515,810,341.80, 773,715,512.70 and 448,625,701.80 is: 672,938,552.70
Step by Step Solution
- Step 1: Write the proportion equation
515,810,341.80 : 773,715,512.70 = 448,625,701.80 : x - Step 2: Convert to fraction form
515,810,341.80/773,715,512.70 = 448,625,701.80/x - Step 3: Cross multiply
515,810,341.80x = 773,715,512.70 × 448,625,701.80 - Step 4: Simplify right side
515,810,341.80x = 347,108,664,878,584,320 - Step 5: Solve for x
x = 347,108,664,878,584,320/515,810,341.80 - Step 6: Final answer
x = 672,938,552.70
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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.