Finding the Fourth Proportional to 1,449,349,396.40, 2,174,661,823.80 and 672,595,230.80
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Solution
The fourth proportional to 1,449,349,396.40, 2,174,661,823.80 and 672,595,230.80 is: 1,009,188,795.28
Step by Step Solution
- Step 1: Write the proportion equation
1,449,349,396.40 : 2,174,661,823.80 = 672,595,230.80 : x - Step 2: Convert to fraction form
1,449,349,396.40/2,174,661,823.80 = 672,595,230.80/x - Step 3: Cross multiply
1,449,349,396.40x = 2,174,661,823.80 × 672,595,230.80 - Step 4: Simplify right side
1,449,349,396.40x = 1,462,667,171,290,710,016 - Step 5: Solve for x
x = 1,462,667,171,290,710,016/1,449,349,396.40 - Step 6: Final answer
x = 1,009,188,795.28
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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.