Finding the Fourth Proportional to 3,538,470,820.48, 4,883,193,511.68 and 1,931,029,604.80
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Solution
The fourth proportional to 3,538,470,820.48, 4,883,193,511.68 and 1,931,029,604.80 is: 2,664,877,489.58
Step by Step Solution
- Step 1: Write the proportion equation
3,538,470,820.48 : 4,883,193,511.68 = 1,931,029,604.80 : x - Step 2: Convert to fraction form
3,538,470,820.48/4,883,193,511.68 = 1,931,029,604.80/x - Step 3: Cross multiply
3,538,470,820.48x = 4,883,193,511.68 × 1,931,029,604.80 - Step 4: Simplify right side
3,538,470,820.48x = 9,429,591,237,021,353,984 - Step 5: Solve for x
x = 9,429,591,237,021,353,984/3,538,470,820.48 - Step 6: Final answer
x = 2,664,877,489.58
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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.