Finding the Fourth Proportional to 2,192,221,129.86, 3,288,166,307.37 and 698,192,300.70
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Solution
The fourth proportional to 2,192,221,129.86, 3,288,166,307.37 and 698,192,300.70 is: 1,047,235,777.43
Step by Step Solution
- Step 1: Write the proportion equation
2,192,221,129.86 : 3,288,166,307.37 = 698,192,300.70 : x - Step 2: Convert to fraction form
2,192,221,129.86/3,288,166,307.37 = 698,192,300.70/x - Step 3: Cross multiply
2,192,221,129.86x = 3,288,166,307.37 × 698,192,300.70 - Step 4: Simplify right side
2,192,221,129.86x = 2,295,772,399,226,883,840 - Step 5: Solve for x
x = 2,295,772,399,226,883,840/2,192,221,129.86 - Step 6: Final answer
x = 1,047,235,777.43
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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.