Finding the Fourth Proportional to 926,415,135.72, 1,389,667,396.92 and 304,616,602.08
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Solution
The fourth proportional to 926,415,135.72, 1,389,667,396.92 and 304,616,602.08 is: 456,939,598.84
Step by Step Solution
- Step 1: Write the proportion equation
926,415,135.72 : 1,389,667,396.92 = 304,616,602.08 : x - Step 2: Convert to fraction form
926,415,135.72/1,389,667,396.92 = 304,616,602.08/x - Step 3: Cross multiply
926,415,135.72x = 1,389,667,396.92 × 304,616,602.08 - Step 4: Simplify right side
926,415,135.72x = 423,315,760,471,129,088 - Step 5: Solve for x
x = 423,315,760,471,129,088/926,415,135.72 - Step 6: Final answer
x = 456,939,598.84
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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.