Finding the Fourth Proportional to 1,879,871,424.08, 2,818,053,971.28 and 635,436,040.08
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Solution
The fourth proportional to 1,879,871,424.08, 2,818,053,971.28 and 635,436,040.08 is: 952,561,453.57
Step by Step Solution
- Step 1: Write the proportion equation
1,879,871,424.08 : 2,818,053,971.28 = 635,436,040.08 : x - Step 2: Convert to fraction form
1,879,871,424.08/2,818,053,971.28 = 635,436,040.08/x - Step 3: Cross multiply
1,879,871,424.08x = 2,818,053,971.28 × 635,436,040.08 - Step 4: Simplify right side
1,879,871,424.08x = 1,790,693,056,241,881,600 - Step 5: Solve for x
x = 1,790,693,056,241,881,600/1,879,871,424.08 - Step 6: Final answer
x = 952,561,453.57
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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.