Finding the Fourth Proportional to 508,700,203.70, 763,050,305.55 and 125,747,755.70
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Solution
The fourth proportional to 508,700,203.70, 763,050,305.55 and 125,747,755.70 is: 188,621,633.55
Step by Step Solution
- Step 1: Write the proportion equation
508,700,203.70 : 763,050,305.55 = 125,747,755.70 : x - Step 2: Convert to fraction form
508,700,203.70/763,050,305.55 = 125,747,755.70/x - Step 3: Cross multiply
508,700,203.70x = 763,050,305.55 × 125,747,755.70 - Step 4: Simplify right side
508,700,203.70x = 95,951,863,409,111,744 - Step 5: Solve for x
x = 95,951,863,409,111,744/508,700,203.70 - Step 6: Final answer
x = 188,621,633.55
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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.