Finding the Fourth Proportional to 405,476,083.12, 559,568,798.94 and 229,260,295.12
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Solution
The fourth proportional to 405,476,083.12, 559,568,798.94 and 229,260,295.12 is: 316,385,881.50
Step by Step Solution
- Step 1: Write the proportion equation
405,476,083.12 : 559,568,798.94 = 229,260,295.12 : x - Step 2: Convert to fraction form
405,476,083.12/559,568,798.94 = 229,260,295.12/x - Step 3: Cross multiply
405,476,083.12x = 559,568,798.94 × 229,260,295.12 - Step 4: Simplify right side
405,476,083.12x = 128,286,907,984,928,352 - Step 5: Solve for x
x = 128,286,907,984,928,352/405,476,083.12 - Step 6: Final answer
x = 316,385,881.50
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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.