Finding the Fourth Proportional to 513,048,373.48, 769,561,778.28 and 124,873,369.48
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Solution
The fourth proportional to 513,048,373.48, 769,561,778.28 and 124,873,369.48 is: 187,307,429.95
Step by Step Solution
- Step 1: Write the proportion equation
513,048,373.48 : 769,561,778.28 = 124,873,369.48 : x - Step 2: Convert to fraction form
513,048,373.48/769,561,778.28 = 124,873,369.48/x - Step 3: Cross multiply
513,048,373.48x = 769,561,778.28 × 124,873,369.48 - Step 4: Simplify right side
513,048,373.48x = 96,097,772,276,844,272 - Step 5: Solve for x
x = 96,097,772,276,844,272/513,048,373.48 - Step 6: Final answer
x = 187,307,429.95
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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.