Finding the Fourth Proportional to 498,676,512.70, 748,014,769.05 and 135,170,868.70
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Solution
The fourth proportional to 498,676,512.70, 748,014,769.05 and 135,170,868.70 is: 202,756,303.05
Step by Step Solution
- Step 1: Write the proportion equation
498,676,512.70 : 748,014,769.05 = 135,170,868.70 : x - Step 2: Convert to fraction form
498,676,512.70/748,014,769.05 = 135,170,868.70/x - Step 3: Cross multiply
498,676,512.70x = 748,014,769.05 × 135,170,868.70 - Step 4: Simplify right side
498,676,512.70x = 101,109,806,132,918,352 - Step 5: Solve for x
x = 101,109,806,132,918,352/498,676,512.70 - Step 6: Final answer
x = 202,756,303.05
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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.