Finding the Fourth Proportional to 1,104,875,198.80, 1,524,500,164.67 and 634,885,718.09
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Solution
The fourth proportional to 1,104,875,198.80, 1,524,500,164.67 and 634,885,718.09 is: 876,011,501.40
Step by Step Solution
- Step 1: Write the proportion equation
1,104,875,198.80 : 1,524,500,164.67 = 634,885,718.09 : x - Step 2: Convert to fraction form
1,104,875,198.80/1,524,500,164.67 = 634,885,718.09/x - Step 3: Cross multiply
1,104,875,198.80x = 1,524,500,164.67 × 634,885,718.09 - Step 4: Simplify right side
1,104,875,198.80x = 967,883,381,767,594,624 - Step 5: Solve for x
x = 967,883,381,767,594,624/1,104,875,198.80 - Step 6: Final answer
x = 876,011,501.40
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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.