Finding the Fourth Proportional to 2,526,502,875.23, 3,486,339,988.61 and 1,397,448,338.06
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Solution
The fourth proportional to 2,526,502,875.23, 3,486,339,988.61 and 1,397,448,338.06 is: 1,928,349,288.95
Step by Step Solution
- Step 1: Write the proportion equation
2,526,502,875.23 : 3,486,339,988.61 = 1,397,448,338.06 : x - Step 2: Convert to fraction form
2,526,502,875.23/3,486,339,988.61 = 1,397,448,338.06/x - Step 3: Cross multiply
2,526,502,875.23x = 3,486,339,988.61 × 1,397,448,338.06 - Step 4: Simplify right side
2,526,502,875.23x = 4,871,980,022,970,744,832 - Step 5: Solve for x
x = 4,871,980,022,970,744,832/2,526,502,875.23 - Step 6: Final answer
x = 1,928,349,288.95
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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.