Finding the Fourth Proportional to 1,305,235,439.37, 1,957,918,094.76 and 372,696,651.93
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Solution
The fourth proportional to 1,305,235,439.37, 1,957,918,094.76 and 372,696,651.93 is: 559,063,519.62
Step by Step Solution
- Step 1: Write the proportion equation
1,305,235,439.37 : 1,957,918,094.76 = 372,696,651.93 : x - Step 2: Convert to fraction form
1,305,235,439.37/1,957,918,094.76 = 372,696,651.93/x - Step 3: Cross multiply
1,305,235,439.37x = 1,957,918,094.76 × 372,696,651.93 - Step 4: Simplify right side
1,305,235,439.37x = 729,709,518,672,085,888 - Step 5: Solve for x
x = 729,709,518,672,085,888/1,305,235,439.37 - Step 6: Final answer
x = 559,063,519.62
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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.