Finding the Fourth Proportional to 807,975,351,496.06, 1,115,005,257,342.40 and 456,082,368,649.92
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Solution
The fourth proportional to 807,975,351,496.06, 1,115,005,257,342.40 and 456,082,368,649.92 is: 629,393,257,955.49
Step by Step Solution
- Step 1: Write the proportion equation
807,975,351,496.06 : 1,115,005,257,342.40 = 456,082,368,649.92 : x - Step 2: Convert to fraction form
807,975,351,496.06/1,115,005,257,342.40 = 456,082,368,649.92/x - Step 3: Cross multiply
807,975,351,496.06x = 1,115,005,257,342.40 × 456,082,368,649.92 - Step 4: Simplify right side
807,975,351,496.06x = 508,534,238,825,835,361,468,416 - Step 5: Solve for x
x = 508,534,238,825,835,361,468,416/807,975,351,496.06 - Step 6: Final answer
x = 629,393,257,955.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.