Finding the Fourth Proportional to 1,488,883,756.84, 2,232,291,416.94 and 659,385,385
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Solution
The fourth proportional to 1,488,883,756.84, 2,232,291,416.94 and 659,385,385 is: 988,620,050.85
Step by Step Solution
- Step 1: Write the proportion equation
1,488,883,756.84 : 2,232,291,416.94 = 659,385,385 : x - Step 2: Convert to fraction form
1,488,883,756.84/2,232,291,416.94 = 659,385,385/x - Step 3: Cross multiply
1,488,883,756.84x = 2,232,291,416.94 × 659,385,385 - Step 4: Simplify right side
1,488,883,756.84x = 1,471,940,335,391,177,472 - Step 5: Solve for x
x = 1,471,940,335,391,177,472/1,488,883,756.84 - Step 6: Final answer
x = 988,620,050.85
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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.