Finding the Fourth Proportional to 2,638,502,090.28, 3,957,749,793.14 and 673,355,213.06
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Solution
The fourth proportional to 2,638,502,090.28, 3,957,749,793.14 and 673,355,213.06 is: 1,010,031,966.62
Step by Step Solution
- Step 1: Write the proportion equation
2,638,502,090.28 : 3,957,749,793.14 = 673,355,213.06 : x - Step 2: Convert to fraction form
2,638,502,090.28/3,957,749,793.14 = 673,355,213.06/x - Step 3: Cross multiply
2,638,502,090.28x = 3,957,749,793.14 × 673,355,213.06 - Step 4: Simplify right side
2,638,502,090.28x = 2,664,971,455,174,799,872 - Step 5: Solve for x
x = 2,664,971,455,174,799,872/2,638,502,090.28 - Step 6: Final answer
x = 1,010,031,966.62
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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.