Finding the Fourth Proportional to 958,725,507.11, 1,323,954,947.84 and 906,494,738.30
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Solution
The fourth proportional to 958,725,507.11, 1,323,954,947.84 and 906,494,738.30 is: 1,251,826,706.45
Step by Step Solution
- Step 1: Write the proportion equation
958,725,507.11 : 1,323,954,947.84 = 906,494,738.30 : x - Step 2: Convert to fraction form
958,725,507.11/1,323,954,947.84 = 906,494,738.30/x - Step 3: Cross multiply
958,725,507.11x = 1,323,954,947.84 × 906,494,738.30 - Step 4: Simplify right side
958,725,507.11x = 1,200,158,193,958,857,216 - Step 5: Solve for x
x = 1,200,158,193,958,857,216/958,725,507.11 - Step 6: Final answer
x = 1,251,826,706.45
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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.