Finding the Fourth Proportional to 2,279,224,761.64, 3,399,674,266.25 and 2,069,985,811.12
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Solution
The fourth proportional to 2,279,224,761.64, 3,399,674,266.25 and 2,069,985,811.12 is: 3,087,575,043.94
Step by Step Solution
- Step 1: Write the proportion equation
2,279,224,761.64 : 3,399,674,266.25 = 2,069,985,811.12 : x - Step 2: Convert to fraction form
2,279,224,761.64/3,399,674,266.25 = 2,069,985,811.12/x - Step 3: Cross multiply
2,279,224,761.64x = 3,399,674,266.25 × 2,069,985,811.12 - Step 4: Simplify right side
2,279,224,761.64x = 7,037,277,493,567,296,512 - Step 5: Solve for x
x = 7,037,277,493,567,296,512/2,279,224,761.64 - Step 6: Final answer
x = 3,087,575,043.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.