Finding the Fourth Proportional to 513,048,354.48, 769,561,749.81 and 124,873,350.48
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Solution
The fourth proportional to 513,048,354.48, 769,561,749.81 and 124,873,350.48 is: 187,307,401.46
Step by Step Solution
- Step 1: Write the proportion equation
513,048,354.48 : 769,561,749.81 = 124,873,350.48 : x - Step 2: Convert to fraction form
513,048,354.48/769,561,749.81 = 124,873,350.48/x - Step 3: Cross multiply
513,048,354.48x = 769,561,749.81 × 124,873,350.48 - Step 4: Simplify right side
513,048,354.48x = 96,097,754,100,026,192 - Step 5: Solve for x
x = 96,097,754,100,026,192/513,048,354.48 - Step 6: Final answer
x = 187,307,401.46
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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.