Finding the Fourth Proportional to 839,968,329.66, 1,158,983,246.29 and 482,667,067.96
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Solution
The fourth proportional to 839,968,329.66, 1,158,983,246.29 and 482,667,067.96 is: 665,981,115.65
Step by Step Solution
- Step 1: Write the proportion equation
839,968,329.66 : 1,158,983,246.29 = 482,667,067.96 : x - Step 2: Convert to fraction form
839,968,329.66/1,158,983,246.29 = 482,667,067.96/x - Step 3: Cross multiply
839,968,329.66x = 1,158,983,246.29 × 482,667,067.96 - Step 4: Simplify right side
839,968,329.66x = 559,403,045,301,556,800 - Step 5: Solve for x
x = 559,403,045,301,556,800/839,968,329.66 - Step 6: Final answer
x = 665,981,115.65
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1.5x scale
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.