Finding the Fourth Proportional to 462,085,744.62, 637,607,799.66 and 261,069,272.70
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Solution
The fourth proportional to 462,085,744.62, 637,607,799.66 and 261,069,272.70 is: 360,235,749.45
Step by Step Solution
- Step 1: Write the proportion equation
462,085,744.62 : 637,607,799.66 = 261,069,272.70 : x - Step 2: Convert to fraction form
462,085,744.62/637,607,799.66 = 261,069,272.70/x - Step 3: Cross multiply
462,085,744.62x = 637,607,799.66 × 261,069,272.70 - Step 4: Simplify right side
462,085,744.62x = 166,459,804,525,083,488 - Step 5: Solve for x
x = 166,459,804,525,083,488/462,085,744.62 - Step 6: Final answer
x = 360,235,749.45
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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.