Finding the Fourth Proportional to 1,064,075,320.76, 1,468,394,489.63 and 587,757,152.75
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Solution
The fourth proportional to 1,064,075,320.76, 1,468,394,489.63 and 587,757,152.75 is: 811,088,602.00
Step by Step Solution
- Step 1: Write the proportion equation
1,064,075,320.76 : 1,468,394,489.63 = 587,757,152.75 : x - Step 2: Convert to fraction form
1,064,075,320.76/1,468,394,489.63 = 587,757,152.75/x - Step 3: Cross multiply
1,064,075,320.76x = 1,468,394,489.63 × 587,757,152.75 - Step 4: Simplify right side
1,064,075,320.76x = 863,059,364,332,845,568 - Step 5: Solve for x
x = 863,059,364,332,845,568/1,064,075,320.76 - Step 6: Final answer
x = 811,088,602.00
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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.