Finding the Fourth Proportional to 770,571,770.03, 1,155,480,994.61 and 537,514,132.09
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Solution
The fourth proportional to 770,571,770.03, 1,155,480,994.61 and 537,514,132.09 is: 806,008,457.78
Step by Step Solution
- Step 1: Write the proportion equation
770,571,770.03 : 1,155,480,994.61 = 537,514,132.09 : x - Step 2: Convert to fraction form
770,571,770.03/1,155,480,994.61 = 537,514,132.09/x - Step 3: Cross multiply
770,571,770.03x = 1,155,480,994.61 × 537,514,132.09 - Step 4: Simplify right side
770,571,770.03x = 621,087,363,965,932,800 - Step 5: Solve for x
x = 621,087,363,965,932,800/770,571,770.03 - Step 6: Final answer
x = 806,008,457.78
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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.