Finding the Fourth Proportional to 540,605,149.48, 810,599,677.98 and 212,903,203.24
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Solution
The fourth proportional to 540,605,149.48, 810,599,677.98 and 212,903,203.24 is: 319,233,488.90
Step by Step Solution
- Step 1: Write the proportion equation
540,605,149.48 : 810,599,677.98 = 212,903,203.24 : x - Step 2: Convert to fraction form
540,605,149.48/810,599,677.98 = 212,903,203.24/x - Step 3: Cross multiply
540,605,149.48x = 810,599,677.98 × 212,903,203.24 - Step 4: Simplify right side
540,605,149.48x = 172,579,267,987,254,496 - Step 5: Solve for x
x = 172,579,267,987,254,496/540,605,149.48 - Step 6: Final answer
x = 319,233,488.90
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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.