Finding the Fourth Proportional to 492,496,636.08, 679,644,997.12 and 269,479,782.12
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Solution
The fourth proportional to 492,496,636.08, 679,644,997.12 and 269,479,782.12 is: 371,881,901.98
Step by Step Solution
- Step 1: Write the proportion equation
492,496,636.08 : 679,644,997.12 = 269,479,782.12 : x - Step 2: Convert to fraction form
492,496,636.08/679,644,997.12 = 269,479,782.12/x - Step 3: Cross multiply
492,496,636.08x = 679,644,997.12 × 269,479,782.12 - Step 4: Simplify right side
492,496,636.08x = 183,150,585,742,845,632 - Step 5: Solve for x
x = 183,150,585,742,845,632/492,496,636.08 - Step 6: Final answer
x = 371,881,901.98
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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.