Finding the Fourth Proportional to 3,670,272,047.70, 5,505,408,071.55 and 1,216,987,593.30
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Solution
The fourth proportional to 3,670,272,047.70, 5,505,408,071.55 and 1,216,987,593.30 is: 1,825,481,389.95
Step by Step Solution
- Step 1: Write the proportion equation
3,670,272,047.70 : 5,505,408,071.55 = 1,216,987,593.30 : x - Step 2: Convert to fraction form
3,670,272,047.70/5,505,408,071.55 = 1,216,987,593.30/x - Step 3: Cross multiply
3,670,272,047.70x = 5,505,408,071.55 × 1,216,987,593.30 - Step 4: Simplify right side
3,670,272,047.70x = 6,700,013,319,130,029,056 - Step 5: Solve for x
x = 6,700,013,319,130,029,056/3,670,272,047.70 - Step 6: Final answer
x = 1,825,481,389.95
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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.